Program of the 136th ISIJ Meeting (September 28-30, 1998)

High Temperature Processes

Social Engineering of Iron and Steel Industry

Instrumentation, Control and System Engineering

Production and Utilization Technology

Microstructure and Properties of Materials

Process Evaluation and Material Characterization


Current Advances in Materials and Processes, Vol.11, No.4

High Temperature Processes

Session for Discussion on Carbonization Mechanism and Control

1   Changes of coal quality by rapid preheating    I.Komaki.....................666

2   Occurrence of softening and fusibility of coals    T.Takanohashi.....................670

3   Chemical structural change during carbonization process    M.Nomura .....................674

4   Investigation of softening characteristics of coal upon heating by means of In-situ 'H-NMR
    H.Kumagai .....................677

5   Physical and chemical structural changes of coal during thermoplastic phase  
    S.Nomura .....................681

6   Dynamic viscoelastic behavior of coals on the softening    T.Yoshida .....................685

7   Development of coal blending design system based on the interaction of coals  
    S.Sakamoto .....................689

8   Improved fusibility and control of coking reaction by coal preheattreatment  
    K.Sakanishi .....................693

9   Deformation of coke during carbonization    K.Fukada .....................697

10   Coke quality required based on behavior of degradation and fine generation in blast furnace
    especially in high-rate pulverized coal injecting operation    K.Yamaguchi .....................701

11   Update and future items of coke quality control  K.Uebo .....................705

12   Effect of coal packing density on coke pore structure and coke strength  
    M.Nishimura .....................709

13   Estimation of by-products quality by utilizing a coke oven model
    including thermal decomposition kinetics  F.Munekane .....................713

  

Session for Discussion on Improvement of the Reaction Efficiency in the Steelmaking Process to Reduce Slag

14   Interim report on the activity of MSW research group  K.Yamada .....................717

15   Efficiency improvement of desiliconization and reduced slag amount  M.Otsuka .....................719

16   Improvement of the dephosphorization reaction efficiency and decrease
    of the steelmaking slag  S.Kitamura .....................723

17   Improvement in efficiency of hot metal dephosphorization reaction  H.Yamana .....................727

18   Discussion on reactions between high carbon molten iron and slag containing iron oxide  
    M.Sano .....................730

19   Application of hot-metal dephosphorization simulator to the minimization of slags  
    K.Ito .....................734

20   Thermochemistry of dephosphorization for lowering steelmaking slag volume  M.Iwase .....................737

  

Plenary Session

1   Reduction rate of FetO-TiO2-SiO2-MOx slags with CO gas  K.Matsuzaki .....................741

2   Reduction kinetics of manganese oxide in CaO-SiO2-MgOsat.-FeO-MnO slags  
    H.S.Sohn .....................742

3   Rate of reduction of Cr2O3 in slag by liquid iron containing carbon  T.Nakasuga .....................743

4   Oxidation of liquid iron-carbon drop by oxygen and generation of CO bubbles  H.Sun .....................744

5   Effect of oxygen, sulfur content and pressure on the rate of molten steel decarburization
    S.Mukawa .....................745

6   Reduction of nickel oxide using H2+ ion implantation  T.Ohta .....................746

7   Behavior of high pressure blowing bubbles in a molten steel  H.Aoki .....................747

8   Effect of swirling flow on formation of fine bubble
    (Reducing of injection pressure using swirling flow-2)  S.Takagi .....................748

9   Unstable phenomena of a bubbling jet injected through an upward single-hole nozzle  
    K.Sasaki .....................749

10   Investigation on mechanism of splashing behavior caused by liquid jet with gravity impinging
    on liquid pool  M.Kageyama .....................750

11   Metal holdup in a thick slag layer stirred by bottom gas injection  S.Takashima .....................751

12   Possibility of cavitation refining for de-impurity(Development of cavitation refining technique-1)
    K.Fujiwara .....................752

13   Wettability effects on bubbling wall jets on with single nozzle injection  N.Sonoyama .....................753

14   Wettability effect on flow characteristics of gas-liquid two-phase flow in a circular pipe
    Y.Terauchi .....................754

15   The effect of aluminum, silicon and boron on the rate of nitrogen dissolution into molten iron alloys
    T.Hirosumi .....................755

16   Comparison of the vacuum degasser characteristics by water model
    (Development of new type vacuum degasser(REDA)-1)  K.Miyamoto .....................756

17   Experimental result of 175ton vacuum degasser by large snorkel with bottom gas bubbling
    (Development of new type vacuum degasser(REDA)-2)  H.Aoki .....................757

18   Improvement of 350ton DH to new type vacuum degasser by large snorkel with bottom gas bubbling
    (Development of type vacuum degasser (REDA)-3)  H.Aoki .....................758

19   Improvement of RH operation by RH multi function burner  K.Fukiage .....................759

20   Improvement of steel desulfurization treatment  D.Takahashi .....................760

21   Solubility of nitrogen in high-Mn high-Cr steel  A.Itoh .....................761

22   Morphology control of inclusions in VOD process non conditioning treatment of SUH409 slabs
    A.Hirota .....................762

23   Kinetics of oxidation of silicon in liquid iron of high carbon concentration by slags containing FeO
    E.Shibata .....................763

24   Construction and operation of desiliconization station(Development of zero slag process-1)
    S.Akai .....................764

25   Desulfurization of molten iron by mechanical stirring method  T.Takaoka .....................765

26   Decrease of slag by hot recycle of slag at the end of reduction period  Y.Sugihara .....................766

27   Development of BOF dynamic phosphorus control system  T.Hara .....................767

28   Development of automatic tapping system in Chiba No.4 steel making work  
    H.Hashimoto .....................768

29   Steel making process with minimum slag generation in Keihin Works  T.Hino .....................769

30   Suppression of excessive oxidization in steelmaking converter  K.Naito .....................770

31   Theoretical design of cup atomizer for heat recovery of molten slag by chemical quench
    V.Kochura .....................771

32   Combustion synthesis of catalyst for methanol production  T.Yamaguchi .....................772

33   In-situ observation of surface shape of molten slag with blowing gas  T.Shimada .....................773

34   Fusion of slag containing iron oxide by thermal plasma  K.Matsumaru .....................774

35   Hydration mechanisms of steelmaking slag  C.Izumi .....................775

36   Estimation of expansive stress generated from steelmaking slag  H.Mitsufuji .....................776

37   Mineral phase and elution of Na in pretreatment slag  H.Tobo .....................777

38   Experimental results of steelmaking slag on the sea bottom in summer  Y.Miyata .....................778

39   Mass and heat transfer during melting of carbon steel in molten iron-carbon alloys  
    B.L.Catalin .....................779

40   Numerical simulation on the reduction-melting process for oxidized iron-scrap
    for investigating operation conditions  X.Zhang .....................780

41   Numerical simulation on fluid flow and heat transfer in a coke moving bed reactor
    for sludge melting  R.Takahashi .....................781

42   Operational data of dust reduction in the new shaft furnace  M.Naito .....................782

43   Scaling up of the smelting reduction process for electric arc furnace dust recycling
    (Development of the smelting  reduction process with a coke packed-bed to recover zinc
    from electric arc furnace dust-3)  N.Ishiwata .....................783

44   Dust recycling of the hot metal desulfurization with soda ash  T.Washizu .....................784

45   Recovery of zinc from steelmaking dust by the reaction between zinc containing dust
    and polyvinyl chloride at high temperature  B.Zhang .....................785

46   Development of polyvinyl chloride dechlorination process
    (Utilization of waste plastics in blast furnace-4)  M.Asanuma .....................786

47   Definition and control of strand soft reduction
    (Center soundness in conventional continuous casting-2)  M.M.Wolf .....................787

48   Development of thin slab casting technology with liquid core hard reduction
    (Development of thin slab casting technology with liquid core reduction-5)  
    Y.Tanizawa .....................788

49   Development of high speed controlling technology with electro-hydraulic cylinder
    (Development of mold level control system at high speed continuous casting-5)  
    M.Oka .....................789

50   Phase relation in the system CaO-SiO2-CaF2 at 1473K  T.Watanabe .....................790

51   Relation between critical cooling rate and surface roughness
    of continuous casting mold powder  K.Tsutsumi .....................791

52   Application of double hot thermocouple technique on the crystallization phenomena
    of mold slag  for continuous casting  Y.Kashiwaya .....................792

53   Crystallization phenomena of mold slag for continuous casting and TTT diagram  
    Y.Kasiwaya .....................793

54   Determination of free energy of δ-ferrite/γ-austenite interphase boundary
    of low carbon steels by "in-situ" observation  H.Shibata .....................794

55   Numerical simulation of isothermal dendritic growth by phase field model  
    J.S. Lee .....................795

56   Solidification microstructure selection in Fe-Cr-Ni alloys  S.Fukumoto .....................796

57   Transition from delta dendrite to austenite grain for peritectic steel  T.Maruyama .....................797

58   Limit of fraction solid for liquid flow during solidification of steel  K.Ohsasa .....................798

59   Effect of solidification rate on the length of mushy zone in vertical directional solidification  
    M.Li .....................799

60   Mechanical properties of 19Cr-13Ni-3Si stainless steels during solidification
    and high temperature  K.Yamaji .....................800

61   Formation of oscillation marks in the continuous casting of Sn and Sn alloy billets  
    R.Kikuchi .....................801

62   Observation on inflow behavior of mold power with continuous casting simulator  
    J.Ohtake .....................802

63   Structure and redox equilibria of iron bearing sodium silicates by raman spectroscopy  
    Y.Sasaki .....................803

64   Effects of FetO content and basicity on the dripping behavior of FetO-CaO-SiO2-Al2O3
    slag melt through iron funnel  T.Nagasaka .....................804

65   Effect of FeO content on rapture behavior of molten silicate film  D.Arahata .....................805

66   Extension of a viscosity equation based on the network parameter to blast furnace type slag
    (An equation in predicting viscosities of industrial molten materials-1)  H.Sakai .....................806

67   Performance of an extended equation in predicting viscosities of industrial molten slags and fluxes
    (An equation in predicting viscosities of industrial molten materials-2)  H.Sakai .....................807

68   Advancement of working ratio for torpedo car  M.Kamo .....................808

69   Properties of MgO-C bricks affecting the opening between a tyuere brick
    and the contacting one in BOF  S.Uchida .....................809

70   Effect of graphite content on the corrosion behavior of MgO-C brick  R.Honda .....................810

71   Application of wet spray installation to lining for steel ladles  R.Masumoto .....................811

72   Application of wet type gunning for steel ladle  M.Kato .....................812

73   Cold repair with wet type gunning for RH upper vessel  K.Nakanishi .....................813

74   Use of aluminum dross for alumina-spinel castable  Y.Ochiai .....................814

75   Carburization of molten iron in argon-methane plasma  T.Kitagawa .....................815

76   Removal of copper and tin from molten iron with combination of plasma heating and powder
    blowing decarburization under reduced pressure  T.Nishi .....................816

77   Effect of sound wave on decarburization rate in molten iron  T.Ozeki .....................817

78   Modeling of dust particle collision under acoustic wave application  S.Komarov .....................818

79   Effect of sound wave imposition on gas phase on hot metal decarburization rate
    and size distribution of dust  T.Suzuki .....................819

80   A new blast furnace solid flow model based on hypo-plasticity theory  S.A.Zaimi .....................820

81   Mathematical modelling of solids flow in a blast furnace  P.R.Austin .....................821

82   Mathematical modelling of liquids flow in a blast furnace  S.J.Chew .....................822

83   An unsteady state mathematical model of blast furnace based on multi-fluid concept  
    J.A.Castro .....................823

84   Liquid hold-ups in moving region of two-dimensional cold model for the dripping zone
    of a blast furnace  H.Tahira .....................824

85   Movement and bottom profile of deadman by 3-dimensional model
    (Analysis of deadman behavior in blast furnace-1)  S.Akihiko .....................825

86   Tuyere sample analysis aiming at hold up(Analysis of dead man structure change-1)
    M.Ichida .....................826

87   Development of hearth management technology by using hot blast flow control valves
    at a blast furnace  Y.K.Suh .....................827

88   Low SiO2 sinter operation in the experimental blast furnace
    (Effect of law burden properties on permeability in blast furnace-1)  Y.Matsukura .....................828

89   Permeability analysis of blast furnace considering sinter properties
    (Effect of raw burden properties on permeability in blast furnace-2)  Y.Ujisawa .....................829

90   Coke degradation mechanism and properties of coke with less fine generation  
    K.Yamaguchi .....................830

91   Combustion-supporting effect of Mn oxide on pulverized coal  F.Shen .....................831

92   Combustion-supporting mechanism of Mn oxide on pulverized coal  F.Shen .....................832

93   Practical operation at an ultra high coal injection rate over 250 kg/THM
    in Kakogawa No.1 blast furnace  K.Nozawa .....................833

94   High coal rate operation at Fukuyama No.3 blast furnace  T.Maruyama .....................834

95   Construction and operation of pulverized coal injection system at Mizushima No.2 blast furnace
    T.Takahira .....................835

96   Maintenance of hot stove ceramic burner for No.1 blast furnace in Keihin Works  
    T.Inoguchi .....................836

97   Extention of campain life of hot stove shell at Mizushima No.3 blast furnace  
    F.Sibaoka .....................837

98   Base line correction method for IR spectra of coals  Y.Fujioka .....................838

99   The structural analysis of coals using CRAMPS and micro imaging methods  
    K.Saitou .....................839

100 The structural analysis of coals using NMR relaxation times  K.Saitou .....................840

101 Estimation of closed pore volume of coke with mercury porosimetry  T.Yokoyama .....................841

102 Mechanism of formation of pores in coke  T.Arima .....................842

103 Control of breaking strength of CO2 reacted coke crushing operation of coal  
    K.Matsudaira .....................843

104 Vertical shrinkage of coke cake in coke oven  S.Nomura .....................844

105 Automation of coal charging car in Mizushima No.5 coke oven  M.Homma .....................845

106 Unmanned automatic operation of coke oven machines
    (Automation of Keihin No1 and No2 coke oven machines)  T.Iwama .....................846

107 Development of coke oven door frame grinding system  Y.Nishiyama .....................847

108 Manufacturing test of fine quality sinter for high temperature gas permeability
    with dolomiteat commercial plant(Manufacturing of low slag sinter-4)  K.Ohne .....................848

109 Test results of manufacturing and using low slag sinter at the commercial plants
    (Manufacturing of low slag sinter-5)  M.Matsumura .....................849

110 Evaluation of reducibility and high temperature behavior of low SiO2 sinter
    for blast furnace burdens  K.Ichikawa .....................850

111 Prediction of sinter qualities using waste gas temperature in dweigt lloyd sinter machine
    S.H.Lee .....................851

112 Cost reduction of sinter at Keihin sintering plant  S.Shimogoryo .....................852

113 Effect of melt characteristics on the structural change of sintering bed  T.Otomo .....................853

114 Effect of iron ore type on the melt-down behavior in the sintering process  
    Y.Sakano .....................854

115 Effect of raw materials segregation on the structural change of voids in the sintering bed  
    E.Kasai .....................855

116 Effect of heat wave propagation on the structural changes in the iron ore sintering bed
    M.V.Ramos .....................856

117 Improvement of permeability by preheating of lower part of sinter bed  K.Nushiro .....................857

118 Laboratory experiments of the magnetic dispersion feeder for sinter mixture  
    N.Oyama .....................858

119 Effects of traveling/static magnetic field on flow patterns in the mold  K.Murakami .....................859

120 The effect of mold powder properties on powder entrapment  K.Watanabe .....................860

121 Critical condition of mould flux entrapment with fluctuation of sliding nozzle gate  
    T.Katai .....................861

122 Effect of mold powder properties on longitudinal off-corner depressions
    in continuously cast SUS304 slabs  M.Hojo .....................862

123 Heat transfer behavior of SUS304 stainless steel during initial stage of solidification
    H.Todoroki .....................863

124 Optimum outlet pore shape of submerged entry nozzles for prevention alumina clogging
    T.Ishii .....................864

125 Nozzle blocking mechanism based upon the phase diagram for the system CaO-Al2O3-ZrO2
    T.Murakami .....................865

126 Development of submerged entry nozzle for alumina clogging  N.Aramaki .....................866

127 Prevention of nozzle clogging by the Ca treatment  S.C.Shin .....................867

128 Reaction between high-oxygen steel and refractories  W.Lin .....................868

129 Analysis of reoxidation factor of molten steel in tundish  K.Sasai .....................869

130 Mathematical modeling of inclusion separation in tundish  Y.Miki .....................870

131 Observation of motion of small particles in water with temperature gradient  
    M.Hiroe .....................871

132 Effect of several kinds of factor on the surface defects of continuous cast bloom
    of low-carbon steel  K.Isobe .....................872

133 Composition changes of inclusions with temperature in Mn-Si-Al deoxidation of liquid steel
    S.Kobayashi .....................873

134 Thermodynamics of the CaO-AiO1.5-CeO1.5 system at 1773K  S.Ueda .....................874

135 Thermodynamics of MnO-Al2O3-TiO2 system  M.Ohta .....................875

136 Extraction of CaO inclusion in steel by non-aqueous solvent  M.Kawakami .....................876

137 Oxidation-reduction equilibrium of Cu2+/Cu+ in binary and ternary alkaline sulfate melts
    A.Yoshida .....................877

138 Oxidation-reduction equilibrium for Fe3+/Fe2+ and Cu2+/Cu+ couples
    in SiO2-B2O3-Li2O-CaO-Al2O3-ZnO  S.Ohashi .....................878

139 Measurements of standard Gibbs energy of formation of 4CaO•P2O5 and 3CaO•P2O5
    by vapor transference method  K.Nagata .....................879

140 Thermodynamic properties of CrOx in the CaO-SiO2-CrOx system  K.Morita .....................880

141 Partitions of sulfur between CaO-Al2O3-ZrO2 melts and Fe-Al  J.Tanabe .....................881

142 Measurement of the activities of constituents in liquid Cu-Al alloy  
    T.Nagasaka .....................882

143 Activities of phosphorus in Cu-Co-P alloys  M.Hasegawa .....................883

144 The quantitative observation of the motion of a liquid metal free surface induced
    by a quasi-sinusoidal magnetic field  Z.Su .....................884

145 The behavior of molten metal free surface excited by intermittent alternating magnetic field
    in a rectangular vessel  S.Okamoto .....................885

146 Analysis of fiber orientation in conductive fluid by imposition
    of DC magnetic field and AC current  D.Li .....................886

147 Effect of high frequency magnetic field on continuous casting of billet  J.P.Park .....................887

148 Magnetic separation using high magnetic field  N.Waki .....................888

149 The crystal orientation of electrodeposited zinc by use of high magnetic field  
    T.Taniguchi .....................889

150 Crystal orientation control of peritectic compound BiMn by magnetic field  H.Yasuda .....................890

151 Effect of high intensity electric field on Bi-Ga monotectic solidification structure  
    S.Yoshida .....................891

152 Control of droplet buoyancy by use of electromagnetic force  T.Miyamoto .....................892

153 Inclusion separation from liquid metal by simultaneous imposition
    of AC current and magnetic field  S.Taniguchi .....................893

154 Measurement of the thermodynamic property of oxygen in molten Ti-Al and Zr-Al alloys
    by using a cold cruicible  Y.Kobayashi .....................894

155 Development of new charging system for No.6 blast furnace at Chiba Works
    based on theoretical evaluation of burden distribution  T.Nouchi .....................895

156 Development and installation of technologies at Chiba No.6 blast furnace(2nd campaign)
    Y.Morikawa .....................896

157 Development of burden distribution simulator for new bell-less top at Chiba No.6 blast furnace
    T.Sato .....................897

158 Short term revamping of Chiba No.6 blast furnace  M.Fujita .....................898

159 Blow-out and blow-in operation of Chiba No.6 blast furnace  T.Shiozawa .....................899

160 Start-up operation of Tobata No.4 blast furnace  J.Katayama .....................900

161 Quantitative analysis of carbides by Mossbauer spectroscopy  S.Sawai .....................901

162 Simulation for the rate of carbidization of reduced iron with CO-CO2 gas mixture
    in a fluidized bed by a bubble assemblage model  G.Ito .....................902

163 Carbidization rate analysis of reduced iron pellet with pressurized H2-CO gas mixtures
    T.Yasuda..................... 903

164 Influence of several conditions on iron carbide synthesis  M.Sueyoshi .....................904

165 Effect of fluidity of carbon materials on reduction of carbon composite iron ore pellet
    (Development of direct reduction process with rotary hearth furnace-3)  
    Y.Takenaka .....................905

166 Removal of remained sulfur in reduced pellets by hydrogen gas on carbon composite
    reduction process(Development of direct reduction process with rotary hearth furnace-4)
    T.Matsumura .....................906

167 Degradation characteristics of iron ore fines in a fluidized bed  U.C.Chung .....................907

168 Analysis of C+O=CO for small Tatara furnace of steelmaking  J.Tanabe .....................908

169 Association of calcium ferrites in iron ore sinter with aenigmatites  Y.Sasaki .....................909

170 Effect of SiO2 on multi-component calcium ferrite formation  N.Koga .....................910

171 Evaluation of physical properties of sintering dust(Effect use of sintering dust-1)  
    J.Okazaki .....................911

172 Basic sintering properties of magnetite concentrate
    (Properties of magnetite ore and its effective usage-1)  N.Nosaka .....................912

173 Decomposing phenomenon of nitrogen oxides of inlet gas in iron ore sintering process
    T.Okada .....................913

174 Development of liquid phase sintering pellet with Acmitic additives for high rate
    of pisolite content  K.Morioka .....................914

175 Agglomeration of iron ore powder by microwave heating  M.Kataoka .....................915

176 Agglomeration/reduction process of iron ore based on combustion synthesis reaction
    M.Kuwabara .....................916

177 Improvement of heat/tundish in Mo.3 continuous caster at Kobe Works  
    K.Tsuji .....................917

178 Internal quality improvement of high carbon steel in round billet caster
    (Operation and quality improvement of round billet caster-3)  H.Hayasi .....................918

179 Production of bearing steel by billet continuous casting  H.Nagayama .....................919

180 Production of high carbon-chromium bearing steel at Kakogawa Works  
    S.Watanabe .....................920

181 Quality improvement of bottom blooms with induction tundish heater  D.Izu .....................921

  

  

Social Engineering of Iron and Steel Industry

Plenary Session

182 Concept of emission minimum product recycling system, EMPRES  
    S.Hara .....................924

183 Requirements for performance of metal scrap impurity removal process  
    K.Shibata .....................925

184 Melting process of granite(Fundamental study of artificial stone product-1)  
    Y.Asai .....................926

185 Thermodynamics of alkali oxide chloride mixture  K.Iwasawa .....................927

186 Recycling process of etching fluid  E.Inoue .....................928

187 Zn balance at Yawata Works and prospect  N.Ono .....................929

188 Self-sintering of BOF dust and possibility of de-zinc thereby  M.Nkano .....................930

189 Recycle technology of EAF dust and aluminum dross  A.Tsubone .....................931

190 Management of industrial waste material(Case study of shredding)  
    S.Maeda .....................932

191 The behavior of dioxin generation  K.Marukawa .....................933

192 Development of recovery of metal containing values from industrial sludge  
    H.Uesugi .....................934

193 Evaporation behavior of heavy metals in a plasma melting of municipal incinerator flyash
    K.Sakamoto .....................935

194 Conception and process characteristics of new pusher-type gasification
    and melting process  M.Yukumoto .....................936

195 Characterization of technological progress made by Japanese steel industry-1
    U.Nishiike .....................937

196 Business diversification in major Japanese iron & steelmaking companies
    (Core competence of Japanese steel industry)  T.Kitagawa .....................938

197 Comparison & analysis of Japanese steel industry with American steel industries
    (Core competence of Japanese steel industry)  H.Imazawa .....................939

198 Japanese steel industry's capacity to accommodate environmental change
    and its new development(In view of exhausted resources and global environmental issues)
    K.Marukawa .....................940

199 Japanese steel industry's capacity to accommodate environmental charge
    and its new development(In view of environmental change caused
    by new mini-mill and change of raw material mix)  S.Yamaguchi .....................941

200 Getting accreditation of ISO14001 and its development in Mizushima Works  
    T.Tsubota .....................942

201 Comparison of environmental impact between the steel formed house and the ordinary one
    by CO2 emission load through the life cycle-2  T.Nakamura .....................943

202 The effect of carbonizing conditions on properties of charcoal absorbent from waste wood
    (Synthetic utilization of waste wood by combination of smelting of metal-2)  
    T.Kitamura .....................944

    

  


Program of the 136th ISIJ Meeting (September 28-30, 1998)
Current Advances in Materials and Processes, Vol.11, No.5

Instrumentation, Control and System Engineering

Plenary Session

203 Development of new production control system in coil and sheet  H.Genda .....................946

204 Development of charge design system for plate mill using optimization methods
    K.Miyamoto .....................947

205 Development of an automatic cutting system for fishtail of hot strip coil  
    T.Matsuura .....................948

206 Crane automation of steel mill shop  Y.Fujikawa .....................949

207 Development of the movement pattern monitor for facilities  M.Yoshimoto .....................950

208 Technology to prolong the life of stacker at raw material yard  T.Yokotsuka .....................951

209 Development of slag detector at converter tapping  T.Sugano .....................952

210 Replacement of crop shape measuring and automatic crop shear control system
    at hot strip mill in Mizushima Works  T.Mori .....................953

211 Off-line measuring apparatus of oil film thickness for cold rolled steel sheets
    by using laser fluorescence method  A.Torao .....................954

212 Development of on-line gage mater for H-beam  K.Maeda .....................955

213 Development of automatic seam detector system for ERW mill  T.Ohta .....................956

214 Installation of an automatic ultrasonic plates-testing system using digital signal processing
    Y.Iizuka .....................957

215 Development of electro magnetic acoustic transducer for square billet surface inspection
    A.Fukui .....................958

216 Ultrasonic beam shaping using phased array techniques  S.Hyodo .....................959

217 Lifetime evaluation of a honeycomb regenerator for a regenerative burner  
    Y.Suzukawa .....................960

  

  

Production and Utilization Technology

Session for Discussion on Welding Technique under Extreme Condition

21   Status of ISS utilization research plan  Y.Fujimori .....................962

22   Welding under microgravity environment  K.Nogi .....................966

23   Brazing under microgravity(Brazing experiment using TR-1A sounding rocket)
      K.Sasabe .....................970

24   Welding and joining technology at low ambient temperature  R.Kayano .....................974

25   Underwater TIG and YAG laser welding of austenitic stainless steel
    (Development of under water welding technique-1)  H.Okamura .....................978

  

Plenary Session

218 Construction of new batch furnace
    (Application of regenerative burner system to a batch furnace-1)  I.Takahashi .....................981

219 Performance of a new batch furnace
    (Application of regenerative burner system to a batch furnace-2)  I.Mori .....................982

220 Outline of improvement on plate finishing line for efficiency  K.Nakao .....................983

221 Outline of improvement on plate finishing line for efficiency
    (Development of computer system in plate finishing line)  Y.Satou .....................984

222 Formulation of flatness model for plate rolling  T.Yazawa .....................985

223 Time of cobble crack initiation in fractured roll with fractographic analysis
    E.Matsunaga .....................986

224 On-line roll grinding by using on-line roll profile meter for hot strip mill
    K.Yanagino .....................987

225 Suitable material of H.S.S work roll for hot strip mill  T.Kanbe .....................988

226 Investigation of uniform water cooling method at low level temperature
    N.Shoji .....................989

227 Equipment of modern vacuum mill named KIT HIGH-TECH MILL  A.Segawa .....................990

228 Replacement of edger mill for hot rolling at Mizushima Works  H.Nakamura .....................991

229 Reconstruction of high accuracy WR shift mill at H.S.M in Mizushima Works
    Y.Konno .....................992

230 Application of variable knives in side trimmer for hot strip  J.Toryu .....................993

231 Technology of dissolving metal Ni electrolyte solution at Mizushima Works No.2 EGL
    M.Imamura .....................994

232 Making of alloy 706 ESR ingot for gas turbine parts  S.Ueda .....................995

233 Improvement in cleanliness of No.1 tandem mill in Kawasaki steel Mizushima Works
    Y.Fujiwara .....................996

234 Characteristics of cold rolling lubrication on rolling-sliding method  Y.Takahama .....................997

235 Controlling edge drop by tapered crown work roll shifting and crossing in cold strip rolling
    J.Tateno .....................998

236 Effect of cold rolling conditions on surface micro-crack for PC-titanium
    T.Shiraishi .....................999

237 Fundamental study on edge crack occurrence in cold rolling  N.Nishiura .....................1000

238 Investigation of quantity evaluation method of strip crease on strip coiling  
    M.Uchida .....................1001

239 Properties of TMCP giant-H-shape for building structures  H.Sugiyama .....................1002

240 Heavy gauge H-shapes manufactured by new TMCP
    using intra-granular ferrite transformation on VN precipitates  T.Kimura .....................1003

241 Development of profile control technology of H-shapes  H.Shikano .....................1004

242 Outline of facilities for bearing steel rod production  K.Marukawa .....................1005

243 Elastic-plastic finite element analyses of flat rolling  H.Utsunomiya .....................1006

244 Pore closure simulation during the rolling process
    (Comparison between experiments and finite element analysis)  M.Fukumura .....................1007

245 Analytical prediction for forward roll coating with deformable roll  M.Ishioka .....................1008

    

    


Program of the 136th ISIJ Meeting (September 28-30, 1998)
Current Advances in Materials and Processes, Vol.11, No.6

Microstructure and Properties of Materials

Session for Discussion on Metallurgy of Ultra-Fine Microstructures-Can we break through the 1mm size barrier?-

26   Creation of ultra fine grain structure and technical problems to be solved  
    C.Oouchi .....................1010

27   Metallurgy for the creation of fine ferrite grain structures by thermomechanical treatments
    K.Tsuzaki .....................1013

28   Grain refinement through 1-pass large reduction hot-rolling followed
      by immediate water-quench and improvement of mechanical properties in steel sheets
      T.Nagamichi .....................1017

29   Design of ultra-fine-grain steel(Ferritic super-metal) through large-strain deformation
      M.Niikura .....................1021

30   Microstructure control of steels by means of high magnetic fields  M.Shimotomai .....................1025

31   Formation of fine ferrite-pearlite structure for a Si-Mn steel through heavy deformation
    followed by controlled cooling  S.Torizuka .....................1027

32   Creation of equiaxed fine ferrite grain structures by warm deformation of martensite
    T.Hayashi .....................1031

33   Ultra-grain refining and strengthening of bulk steel by accumulative roll-bonding(ARB)  
    N.Tsuji .....................1035

34   Microstructure control of ultra-fine grained steel using oxide particle  
    S.Nakamyou .....................1039

  

Session for Discussion on Adhesion Property of Heavy-Duty Coating

35   Investigation of material supplying path to adhesive interface
    on cathodic disbonding of three layer polyethylene coated steel  S.Tsuri. .....................1043

36   The cathodic disbonding of 3-layer polyethylene coated steel pipe  
    T.Kamimura..................... 1047

37   Factors influencing the cathodic disbonding of polyethylene coated steel
      N.Yoshizaki .....................1051

38   Interfacial behavior under the cathodic protection of polyethylene coated steel  
    Y.Harada .....................1054

39   Adhesion of super high-build epoxy coating to zinc primer
    under the cathodic protection system  T.Nakano .....................1058

40   Effect of adhesive layer properties and coating conditions on residual stress
    of polyethylene coated on steel  S.Miyata .....................1061

  

Session for Discussion on Scale Controlling and Descaling in Steel Sheets

41   Mechanical properties of high-temperature oxide scales  S.Taniguchi .....................1065

42   Effects of oxygen and water vapor concentration on high temperature oxidation
    S.Maeda .....................1067

43   Effect of added elements on hydraulic-descaling-ability in Si added hot-rolled steel sheets
    T.Fukagawa .....................1071

44   Scale removal mechanism in hydraulic descaling during hot strip mill rolling
    H.Okada .....................1075

45   Breakage behavior of oxide scale on hot rolled steel surface  T.Asai .....................1079

46   Effect of heat cycles on scale adhesion for steel sheets  C.Fujinaga .....................1083

47   Peeling properties and structures of scale in steel sheet  A.Kobayashi .....................1087

  

Plenary Session

246 2nd VAMAS round robin tests of low cycle fatigue at high temperature  
    M.Shimodaira .....................1091

247 Relation between grain boundary carbides and crack in creep-ruptured hastelloy XR
    Y.Ogawa .....................1092

248 Effect of copper addition on oxidation resistance of iron-base superalloys  
    S.Ueta .....................1093

249 Development of highly corrosion-resistant Ni-Cr-Mo cast alloy in waste incineration boiler
    K.Sasaki .....................1094

250 Application of alloy625 seamless tubing to high-efficiency waste-to-energy boiler  
    Y.Kawahara .....................1095

251 Thermal expansion and creep rupture properties of nickel base superalloys
    containing high molybdenum(Development of superalloys for steam turbines-1)  
    S.Katsuragi .....................1096

252 Effects of plastic deformation and heat treatment on the structure of γ" precipitates
    in a Ni-18Cr-15Fe-5Nb-3Mo alloy  K.Kusabiraki .....................1097

253 Effects of composition and heat treatment on tensile properties of alloy 706  
    T.Shibata .....................1098

254 Effect of Nb content on tensile properties of wrought Fe-Ni based superalloy
    (Development of Ni based superalloy for the next generation gas turbine generator material-1)
    T.Takahashi .....................1099

255 High temperature strength of Co-based cast superalloy for gas turbine  H.Doi .....................1100

256 Effect of test temperature on creep properties of Ni-base alloy IN738LC  
    D.Saito .....................1101

257 Mechanical properties of stress-aged Ni base superalloy
    (Effect of stress-aging time on static-strength)  H.Kanno .....................1102

258 Estimation of temperature in use and life assessment by microstructure
    in gas turbine brades(Evaluation of material degradation for gas turbine blades-1)  
    H.Yamanaka .....................1103

259 Morphology of γ' phase of polycrystalline Ni-base superalloy, IN-100, serviced for turbine blade
    N.Miura .....................1104

260 Morphology of γ' phase of directionally solidified Ni-based superalloy, MAR-M247LC,
    crept for longitudinal and transverse section  N.Miura .....................1105

261 Influence of secondary γ'-precipitate on creep strength
    of Ni-base superalloy single crystals, CMSX4  K.Kakehi .....................1106

262 Material properties of Ni-Mo-Al type eutectic alloys  T.Torigoe .....................1107

263 Evaluation of rust layer on weathering steel  K.Kashima .....................1108

264 Effect of chloride on character of rust of weathering steel exposed to atmosphere
    in 16 to 20 years  K.Shiotani .....................1109

265 Effect of titanium on formation and structures of iron rust species(β-,α-FeOOH)
    T.Nakayama .....................1110

266 Test results of long term exposure about cationic and anionic coating system
    M.Kaneko .....................1111

267 Reproduction of sea salt deposition in laboratory  M.Yamamoto .....................1112

268 Atmospheric corrosion behavior of model structures  H.Katayama .....................1113

269 Corrosion behavior of Zn-Mg vapor deposited steel sheet in humid environments
    (Development of Zn-Mg vapor deposited steel sheet-3)  F.Yoshizaki .....................1114

270 Crack behavior by thermal stress for ZrO2-NiCrAlY plasma sprayed layer  
    K.Sonoya .....................1115

271 Effect of strain rate on microstructure of ductile fracture in structural steel  
    H.Furuya .....................1116

272 Effect of strain rate on ductile fracture behavior in structural steel  H.Furuya .....................1117

273 Fractography of specimens fractured under earthquake-simulation loading
    with large-scale test bench  E.Takeuchi .....................1118

274 Effect of strain rate on cleavage fracture criterion and dynamic fracture toughness
      T.Tagawa .....................1119

275 Effects of repeating load and dynamic strain aging on the delayed failure strength
    of high strength steels  K.Nakasa .....................1120

276 Hardening-softening behavior during low cycle fatigue in TRIP-aided bainitic steels
      K.Sugimoto .....................1121

277 Effect of overloads and humidity on fatigue crack growth in 8090 Al-Li alloys  
    S.Kumai .....................1122

278 Fracture mechanism of inside cooling type sleeve roll  Y.Satoh .....................1123

279 Toughening of EB welded joint in high strength maraging steel  N.Abiko .....................1124

280 Toughness evaluation of steels for preventing the failure of structures  
    Y.Kawaguchi .....................1125

281 Interfacial energy and equilibrium shape of B1 type compound in austenite  Z.G.Yang .....................1126

282 Morphology and crystallography of carbides in an 16%Cr ferritic stainless steel  
    Y.Yazawa .....................1127

283 Crystallography of ferrite nucleated at (MnS+V(C, N)) complex precipitate in austenite
    T.Furuhara .....................1128

284 Acceleration of ferrite nucleation at inclusions by prior hot deformation of austenite  
    T.Maki .....................1129

285 Effect of anstenitizing temperature on grain boundary ferrite nucleation  P.Qiu .....................1130

286 Precipitation of ferrite from cementite in an Fe-Cr-C alloy during austenitization  
    D.V.Shtansky .....................1131

287 Role of MnS in enhancement of ferrite nucleation on VN precipitates  
    A.Ohmori .....................1132

288 Effect of additional elements on the morphology of CrS in steels  
    Y.Ouchi .....................1133

289 Effects of Mn and small amount of carbon addition on the transformation texture
    of ultra-low carbon steel sheets  M.Sudo .....................1134

290 Influence of recrystallization temperature on nucleation orientation during recrystallization
    in ultra low-C cold-rolled sheet steel-2  N.Hashimoto .....................1135

291 Effect of dynamic aging during cold rolling on texture of primary recrystallization in 3%Si-steel
    M.Komatsubara..................... 1136

292 Calculation of Fe-B-C-Cr-Ti quinary phase diagram  T.Furukawa .....................1137

293 Behavior of boron in dual phase region of IF steel  Lee Jin-mo .....................1138

294 Effect of boron on hot workability and ductility
    in ultra high strength metastable austenitic stainless steels  K.Tomimura .....................1139

295 Mechanism of improved hardenability with Nb or Mo combined addition to B-bearing steel
    T.Hara .....................1140

296 Effect of B content on creep properties for ferritic steels  T.Muraki .....................1141

297 Effect of boron on the behavior of austenite transformation/recrystallization
    in 12% chromium heat resistant steel(Effect of boron on creep strengthening in 12%Cr steel-1)
    T.Azuma .....................1142

298 Effect of precipitates on recrystallization behavior of the ferritic stainless steels
    S.Isozaki .....................1143

299 Effect of phosphides on recrystallization behavior after hot deformation
    in Ti added pure ferritic stainless steels  K.Kimura .....................1144

300 Effect of hot coil annealing on carbide precipitation in SUS430 stainless steel  
    R.Matsuki .....................1145

301 Effect of Al content on carbo-nitride precipitation in 17%Cr-0.5%Mo-0.4%Nb steels  
    M.Kasai .....................1146

302 Microstructure and antimicrobial activity of Cu contained ferritic stainless steels  
    S.Nakamura .....................1147

303 Influence of B and P on the mechanical properties and secondary work embrittleness
    of 11%Cr ferrite steels  A.Takahashi .....................1148

304 Effects of hot rolling and cold rolling conditions on surface property and formability
    of SUS430 sheet  J.Hamada .....................1149

305 Effects of processing conditions and mechanical properties of ferritic stainless steel sheet
    on plane strain defect in press forming  S.Suzuki .....................1150

306 Effect of chromium and manganese content on equilibrium soluble nitrogen content
    in high nitrogen austenitic stainless steels  H.Ito .....................1151

307 Fatigue properties of precipitation-hardening high manganese non-magnetic steel  
    Y.Haruna .....................1152

308 Effects of surface nitriging on deformation microstructure
    in type 304 cold-rolled stainless steel sheets  M.Hatano .....................1153

309 Effect of Cu on the hot ductility of 304 austenitic stainless steel  Y.T.Je .....................1154

310 Effect of boride morphology edge cracking hot-rolled boron-containing stainless steel
    H.Morikawa .....................1155

311 Effect of cooling rate from solution treatment on mechanical properties of duplex stainless steel
    K.Kimura .....................1156

312 High temperature oxidation of SUS430 stainless steel coated with La compound  
    A.Saito .....................1157

313 Effect of Si and Mn contents on the descalability of cold-rolled and annealed SUS304
    K.Fukuda .....................1158

314 Improvement of mechanical properties of laser weld metals in high Cr ferritic stainless steel  
    D.Y.Choi .....................1159

315 Brazing of 20Cr-5Al stainless steel with Ni filler metal  Y.Otoguro .....................1160

316 Strain rate-temperature dependency of impact properties in ductile cast irons  
    H.Yamamoto .....................1161

317 Effect of solute Cu on low temperature toughness of α-iron  S.Junaidi .....................1162

318 Influence of Cu on substructure formation in α iron under cyclic loading  T.Yokoi .....................1163

319 Transformation induced embrittlement in a high manganese and carbon austenitic steel  
    Y.Ono..................... 1164

320 Nondestructive detection of fatigue damage of steel
    with high performance SQUID magnet gradiometer  N.Ishikawa .....................1165

321 FEM analysis of toughness difference by test methods in low carbon steels  
    H.Yoshida .....................1166

322 Size requirement of fracture toughness specimen in transition region  T.Tagawa .....................1167

323 Effect of size and material specimen on load-calibration value in instrumented charpy impact test
    N.Inoue .....................1168

324 Correlation between creep rare-time curve and microstructural parameter in SUS304  
    M.Yamazaki .....................1169

325 100000h creep behavior and microstructure of ruptured specimens for SUS304  
    M.Yamazaki .....................1170

326 Change in morphology and chemical composition of carbide on grain boundary
    in SUS304H steel during long term creep  M.Murata .....................1171

327 Creep rupture properties of 316FR steel weld metal for high temperature structural materials
    of demonstration fast reactors  T.Nakazawa..................... 1172

328 Microstructure and high temperature strength of 22Cr-15Ni-Nb,N steel tubes
    after 2 years service exposure  A.Tooyama .....................1173

329 5years field test results of high strength boiler tubes  Y.Abe .....................1174

330 Development of superclean-2.25Cr-Mo-V-Nb-N steel for gas turbine compressor disk
    Y.Kadoya .....................1175

331 Microstructure and creep deformation behavior of aged 2.25Cr-1.6W-V-Nb steel  
    N.Komai .....................1176

332 Microstructural changes and creep deformation behavior of 2.25Cr-1Mo steel tube
    after prolonged service in boiler  T.Ohba .....................1177

333 Effect of creep conditions and initial microstructure on carbide change in CrMoV steel
    (Creep damage evaluation of CrMoV steel by microstructural parameter-1)  
    Y.Wada .....................1178

334 Creep damage evaluation of turbine rotor steel by carbide structure change
    (Creep damage evaluation of CrMoV steel by microstructural parameter-2)  
    S.Otsuki .....................1179

335 Effect of solute alloying elements on creep deformation behavior in high Cr martensitic steels  
    K.Iwanaga..................... 1180

336 Solution hardening of 9Cr-3W martensitic steel at high temperature  
    Y.Hirakawa .....................1181

337 Effect of laves phase on change of dislocation substructure during creep
    in high Cr ferritic steel  K.Sawada .....................1182

338 Intermetallic compound precipitation behavior in the W containing ferritic creep resistant steel
    Y.Hasegawa .....................1183

339 Precipitation of Fe2W and its effect on creep rates of 9Cr-W steels  F.Abe .....................1184

340 Development of α"precipitation hardened high Cr ferritic steels for USC boilers  
    M.Igarashi .....................1185

341 Round bar compaction of mechanical-milled Fe powders and its properties  
    K.Nagai .....................1186

342 In-situ observation of intra-granular ferrite nucleation from oxides  T.Hanamura .....................1187

343 Effect of P addition on ferrite grain refinement in a Si-Mn steel  T.Hanamura .....................1188

344 Retardation of austenite grain growth by oxide precipitates  H.Nakajima .....................1189

345 Distribution of plastic strain and grain size after heavy compressive deformation
    in plane strain condition  T.Ohashi .....................1190

346 Diffusional phase transformation enhanced by heavy deformation
    from supercooled austenite and formation of fine ferrite structures  Y.Adachi .....................1191

347 Ferrite refinement by heavy deformation in low carbon steel  D.H.Seo .....................1192

348 Deformation stress and fine ferrite formation corresponding
    to high temperature dynamic γ → α transformation in low C-Ni steels
    (Dynamic γ → α transformation in hot deformation of low carbon steels-3)
    H.Yada..................... 1193

349 Grain refinement of low carbon steel through heavy deformation in α+γ dual-phase region
    N.Matsukura .....................1194

350 Effect of the pre-transformation micro-structure on the grain refining
    of medium-carbon 5Cr-Mo-V steel  Y.Mukaida .....................1195

351 Effect of rapid heating on martensite structure in low carbon steels  K.Fujiwara .....................1196

352 New microstructure for improvement of delayed fracture resistance  H.C.Choi .....................1197

353 The effect of tempering temperature on the prior-austenite grain boundary structures
    of an ausformed martensite in a carbon steel  S.Yusa .....................1198

354 Observation of surface reliefs and fine structures of bainite in an Fe-1%Cr-1%C alloy  
    A.Takase .....................1199

355 Effect of plating conditions on absorption behavior of diffusible hydrogen
    in electrogalvanized steel  F.Yuse .....................1200

356 In situ electrochemical scanning tunneling microscopy of zinc
    and iron-group metal single crystals in acidic solutions  S.Ando .....................1201

357 Effect of polyethyleneglycol(PEG) on Zn electrodeposition from chloride-based eletrolyte  
    H.T.Kim .....................1202

358 Effect of plating condition on contact resistance of Ni plated stainless steel  
    T.Oshima .....................1203

359 Codeposition behavior and film structure of composite zinc electrodeposition
    (Development of new composite zinc electroplated steel sheet-1)  M.Kimoto .....................1204

360 Corrosion resistance of composite electroplated steel sheet
    (Development of new composite zinc electroplated steel sheet-2)  Y.Yoshikawa .....................1205

361 Spot weldability and press formability of composite electroplated steel sheet
    (Development of new composite zinc electroplated steel sheet-3)  K.Fukui .....................1206

362 Effect of additive agents in plating bath on edge-burn of ZnNi electroplated steel sheets
    H.Nakakoji .....................1207

363 Characteristics of half-alloyed galvannealed steel sheets  S.K.Lee .....................1208

364 Influence of bath temperature on formation of alloy layer in hot-dip Zn-5mass%Al alloy bath
    A.Komatsu .....................1209

365 Influence of flow speed on growth of Al-Fe alloy during hot dip galvanizing  
    M.Isobe .....................1210

366 In-situ TEM observation of a reaction between molten Zn and Fe  T.Kato .....................1211

367 Grain boundary diffusion of Zn along coincidence-site-lattice and random boundaries
    in α-Fe using Fe/Zn diffusion couples and diffusion induced recrystallization  
    Y.Adachi .....................1212

368 Lacquer adhesion of organic composite coated steel sheet  K.Hamahara .....................1213

369 Evaluation method for lubricant property of organic coated steel sheets
    K.Ishizuka..................... 1214

370 Film design of lubricative coated steel sheet  Y.Mori .....................1215

371 Properties of prepainted steel sheets for home appliances
    (Development of prepainted steel sheets with high hardness and flexibility)
    K.Yoshida..................... 1216

372 Effect of light-stabilizer-structure on the weatherability of pre-painted steel sheet  
    Y.Kimata .....................1217

373 Effect of grain size on the development of dislocation cell structure during tensile deformation
    O.Shinoda .....................1218

374 Effects of free N content on flow stress of cold heading steel  K.Momozaki .....................1219

375 Effect of heat treatment condition on morphology of precipitates
    in Ti-added ultra low carbon IF steel  E.Yasuhara..................... 1220

376 Time evolution of phase decomposition in aged stainless steel weldments  H.Kuwano .....................1221

377 Effect of C content on anti-aging property in low-C cold-rolled sheet steel  
    K.Osawa .....................1222

378 The influence of direct quenching on the tempering behavior
    of Ni-Cr-Mo steel microalloyed with Ti and Nb  I.S.Suh .....................1223

379 Early stage of aging in Fe-9wt%Ni-1wt%C alloy martensite  M.Toyomura .....................1224

380 Variants of M23C6 type carbide precipitates in deformed martensite  T.Tsuchiyama..................... 1225

381 Structure and formation process of glass ceramics film on grain-oriented silicon steel
    using aluminum nitride as an inhibitor  H.Fujii .....................1226

382 Effect of Si contents on iron loss of Si-Fe single crystals  K.Murakami .....................1227

383 Effect of inhibition drop rate on secondary recrystallization in Fe-3%Si alloy  
    Y.Ushigami .....................1228

384 Relation between grain boundary mobility and grain boundary character in Fe-3%Si  
    Y.Hayakawa .....................1229

385 Effect of initial carbon content on the magnetic induction of grain-oriented silicon steels
    in low temperature slab heating process  C.S.Lee .....................1230

386 Donut-like morphology of cementite formed on surface of (011)[100] single crystal
    of silicon steel  Y.Inokuti .....................1231

387 Development of magnetic gradient high silicon steel sheet  M.Namikawa .....................1232

388 Machinability of non-oriented electrical steel in interrupted cutting  M.Doi .....................1233

389 Effects of grain size on core loss in non-oriented silicon steel sheets  T.Shimazu .....................1234

390 Effects of resins on adhesive force of an adhesive coating of non-oriented electrical steel sheets
    at elevated temperature  K.Takeda .....................1235

391 The behavior of hydrogen in some carbon steels during deformation  A.Nagao .....................1236

392 Hydrogen desorption behavior of Ti bearing steel under various hot deformation conditions
    M.Nagao .....................1237

393 Absorbed hydrogen content in hot-dip Zn-coated high-strength bolts used for long period
    in actual electric power transmission steel tower  F.Nakasato .....................1238

394 Effect of sulfur on hydrogen embrittlement of large steel forgings  F.Yuse..................... 1239

395 Evaluation of delayed fracture resistance taking account of hydrogen absorption
    by galvanic corrosion  T.Yokota .....................1240

396 Effect of grain refinement on delayed fracture resistance of 0.3%C-9%Ni steel  
    T.Yokota..................... 1241

397 Improvement of delayed fracture property of high strength steels by TMCP  
    S.Yamasaki .....................1242

398 The influence of second phase on environmental embrittlement of Ni3(Si, Ti)  
    T.Takasugi .....................1243

399 Microstructure in Cu-bearing martensitic heat resistant steels  Y.Futamura .....................1244

400 Precipitation behavior during creep of Mod.9Cr-1Mo steel  A.Sasada .....................1245

401 Effect of carbon content on the mechanical properties of high Cr ferritic steels  
    Y.Murata..................... 1246

402 Effect of additional elements for long term stability of MX phase in advanced ferritic steels  
    T.Horiuchi .....................1247

403 Effect of Si on precipitates in high-Cr ferritic steels  N.Fujitsuna .....................1248

404 Improvement of high temperature strength and aging embrittlement
    by Nb addition and Si reduction of 12%Cr steel for gas turbines  K.Hidaka .....................1249

405 Effect of thermomechanical treatment on creep characteristics of high Cr ferritic steels  
    S.Muneki .....................1250

406 Creep rupture properties of high chromium ferritic steel with simulated HAZ heating  
    K.Kubo .....................1250

407 Effects of V, Nb and Ti on creep properties and toughness
    in weld metal of high chromium ferritic creep resistant steels  H.Hatano .....................1252

408 Microstructure of 12Cr-0.4Mo-2W and 2.25Cr-1.6W steel tubes after 2.5 years service exposure
    K.Miyata .....................1253

409 Investigation of additional elements to achieve long term stability of martensitic phase
    in advanced ferritic steels for 650°C USC boilers  S.Muneki .....................1254

410 Assessment of inherent creep strength of the carbon steel by a constant stress creep test
    K.Kimura..................... 1255

411 Effect of accelerated creep tests on creep strength properties of the HCM12A  
    K.Kimura .....................1256

412 Evaluation of long-term creep strength properties of high-strength ferritic creep resistant steels
    based on microstructural change  H.Kushima .....................1257

413 Estimation of creep rupture life in nickel base superalloys using Bayesian neural network
    H.Fujii .....................1258

414 Examination of the relationship between grain sizes in dual-phase structure  I.Ohnuma .....................1259

415 Calculation of Fe-Zn-Ni ternary phase diagram  Y.Matsutani .....................1260

416 Growth rate and partitioning of alloying elements during pearlite transformation in steels
    M.Takahashi .....................1261

417 Inspection of Ghosh and Olson model on the prediction of Ms temperature of stainless steels
    H.Nakagawa .....................1262

418 A method for measuring diffusion coefficients of nitrogen in solid iron with the mass spectrometer
    F.Yamaguchi .....................1263

419 Effect of initial surface condition and grain size on glossiness and whiteness
    of the pickled titanium surface  K.Takahashi .....................1264

420 Improvement of formability of carbide dispersed titanium alloy during hot working  
    T.Yano .....................1265

421 The influence of Fe content and solution treatment within α+β phase region
    on mechanical properties of Ti-Fe alloys  K.Inoue .....................1266

422 Wear property of high biocompatible new β-type titanium alloys for implant materials  
    M.Kume .....................1267

423 Mechanical properties of wrought practical size ingot of a new high biocompatible β-type titanium alloy
    D.Kuroda .....................1268

424 Thermal behavior of Ti-Ni shape memory alloy accompanied by phase transformation  
    K.Matsumoto .....................1269

425 Wear and Corrosion resistance of boride dispersed type overlay weld metal by PTA
      K.Takatori .....................1270

426 Iron-based thermoelements and thermoelectric properties  K.Ono .....................1271

427 Thermophysical properties measurement of SiO2/Mo functional graded material  
    T.Miyake .....................1272

428 Effects of annealing conditions on soft magnetic properties of SUH409L sheets  
    S.Tsuge .....................1273

429 Effect of composition, thermal treatment and cold drawing
    on strength and linear thermal expansion coefficient invar alloys  K.Watanabe .....................1274

430 Effect of deformation rate on hot crack Fe-36%Ni alloy  F.Fudanoki .....................1275

431 Fatigue strengthening by dispersing nano-sized martensite purticles-1
    (Formation of nano-sized martensite)  T.Inamura .....................1276

432 Fatigue strengthening by dispersing nano-sized martensite particles-2
    (Fatigue softening behavior)  M.Shimojo .....................1277

433 A discussion based on thermal activation theory as for "Base Curve" obtained
    by crosshead displacement dwell test(Strain rate sensitivity of stress-strain curve-5)
    N.Tsutida .....................1278

434 Micro-structural factors in mechanical properties of 13Cr steel  G.Shigesato .....................1279

435 Microstructure and plastic deformation behavior of Fe-Zr-B ribbons produced
    by a melt-span method  W.Fujitani .....................1280

436 Strengthening of Fe based shape memory alloys by grain size refinement  T.Masuya .....................1281

437 Strain-gradient in a nitrogen-strengthened γ steel under low temperature fatigue  
    O.Umezawa .....................1282

438 Strength analysis of a bainitic steel with an AFM ultramicro hardness tester  
    N.Nagashima .....................1283

439 Nano scale observation of precipitates and slip patterns on intergranular fracture surfaces
    M.Hayakawa .....................1284

440 Electrolytic tin deposits from phenol sulfonic acid based baths with polyethylene glycol
    H.Kubo .....................1285

441 Stretch drawing of laminated steel sheet-thinning of cup wall
    and earing for thin gauge steel sheet  F.Kunishige .....................1286

442 Stretch drawing of laminated steel sheet-analysis of redrawing in consideration thickness
    of steel/PET films  Y.Ikeda .....................1287

443 Modeling of outdoor environments on atmospheric corrosion of stainless steels
    I.Muto .....................1288

444 Effect of nitrogen enrichment on corrosion resistance of austenitic stainless steels
    (Development of stainless steel for seawater environment-2)  H.Uno .....................1289

445 Effect of additional elements on steam oxidation of high Cr ferritic steels  
    H.Kutsumi .....................1290

446 Corrosion resistance of stainless steels in sewage disposal plant atmosphere
    W.Harada .....................1291

447 Microbially influenced corrosion on SUS316L welds in underground water  
    M.Ozawa .....................1292

448 Effect on stress amplitude on fatigue properties of cold work tool steel  D.Yokoi .....................1293

449 Fractographical examination of strengthening mechanism
    of a newly developed cold work tool steel  S.Matsuo .....................1294

450 Dimensional change and retained austenite stability of a 1.2C-17Cr die steel
    (Development of a new precise die steel for IC device molding-1)  Y.Watanabe .....................1295

451 Influence of residual carbide on the toughness of cast steel for cold die  T.Urita..................... 1296

452 The relationship between nitriding configurations and heat cracking-resistance
    of hot-work tool steels  M.Nagasawa .....................1297

453 Application of high speed steel rolls for pipe rolling mill  S.Matsunaga .....................1298

454 Effects of the aluminum content on hardenability in a 0.45%C sheet steel  
    J.H.Ryu .....................1299

455 Effect of Mo on mechanical properties and transformation behavior
    of hot rolled low carbon steel sheets  K.Kawasaki .....................1300

456 Effect of Nb addition on mechanical properties of Ti bearing high strength steels
    T.Nakahara .....................1301

457 Effect of cooling condition after rolling on strength in precipitation hardened hot-rolled sheet steel
    T.Kobayashi .....................1302

458 Fatigue property of punched hole edge in high strength hot rolled steel sheets  
    T.Shiozaki .....................1303

459 Effect of hot-rolling conditions on the scale thickness of hot strip steel sheets  O.Kawano .....................1304

460 Effects of material strength and work hardening on buckling energy in high strength steels  
    K.Sato..................... 1305

461 Effect of volume fraction of γ on mechanical properties of IF-steels containing Mn and P
    (Transformation texture of IF-steels containing Mn and P-2)  T.Matumoto .....................1306

462 Effect of B on recrystallization in γ region and γ/α transformation behavior
    of Ti added ultra-low carbon steels  J.Haga .....................1307

463 Thermodynamic stability of TiS, Ti4C4S2 in ULC Ti-added IF steels  N.Mizui .....................1308

464 Effect of B addition mechanical properties of ULC IF high strength sheet steels  
    M.Miura .....................1309

465 Evaluation of materials properties using the facilities for materials testing in liquid hydrogen
    (Low temperature materials used in WE-NET-1)  H.Fujii .....................1310

466 Effect of δ-ferrite on the mechanical properties of weld metal
    of austenitic stainless steels at low temperature
    (Low temperature materials used in WE-NET-2)  H.Nakagawa..................... 1311

467 Effect of hydrogen charging on mechanical properties of weld metal
    of austenitic stainless steels at low temperature
    (Study on low temperature materials used in WE-NET-3)  S.Okaguti .....................1312

468 Effect of strain-induced martensite on hydrogen environment embrittlement
    of austenitic stainless steels  D.Sun .....................1313

469 Effect of microstructure on fracture toughness obtained by small specimen
    of austenitic stainless steel welds at cryogenic temperature  T.Ogata .....................1314

470 Low cycle fatigue properties of austenitic stainless steels welds
    at cryogenic temperature  T.Yuri .....................1315

471 420MPa yield strength steel plates with superior toughness
    for arctic offshore structures  M.Hisata .....................1316

472 Characteristics of butt welded joints of 570N/mm2 grade extremely-low carbon steel
    (Development of 570N/mm2 grade extremely-low carbon steel-4)  T.Hori .....................1317

473 Properties of HT980 steel plate with low cold cracking susceptibility for penstock use
    M.Aoki..................... 1318

474 Effect of chemical composition on mechanical properties and corrosion resistance
    of low-C martensitic stainless steel  M.Doi .....................1319

475 The effect of microstructure and chromium alloying content to the corrosion resistance
    of low alloy steel well tubing  H.Takabe .....................1320

476 Fracture toughness of line pipe steel under cathodic protection in sand  
    N.Hagiwara .....................1321

477 Relation between inclusion diameter and rotating fatigue life of bearing steel
    made in laboratory  Y.Kusano .....................1322

478 Detection of inclusion by ultrasonic method
    (Influence of inclusion on rolling contact fatigue life-1)  H.Nagayama .....................1323

479 Phenomenon of flaking by inclusion detected ultrasonic method
    (Influence of inclusion on rolling contact fatigue life-2)  T.Nishikawa .....................1324

480 Rotating bending fatigue properties of ultra low-oxygen carbon steels at high-temperature  
    K.Kobayashi..................... 1325

481 Application to cold forging and machining parts of middle carbon graphitized steel  
    K.Fukuoka .....................1326

482 Decomposition of cementite in high carbon steel wire during drawing  T.Tarui .....................1327

483 Analysis by lattice strain for high fatigue strength mechanism in high Si drawn steel wire  
    N.Kawabe..................... 1328

484 Analysis of some factors affecting the corrosion fatigue life of fine steel wires  
    S.Sasaki .....................1329

485 Effect of phosphorus and boron on torsional fatigue strength of induction hardened steels  
    T.Ochi .....................1330

486 The influence of Si content on pitting life of induction hardened steels  K.Inoue .....................1331

487 Effect of additional elements on fatigue limit of soft nitrided microalloyed steel
    (Development of high fatigue strength soft nitrided microalloyed steel-1)
    M.Kurita .....................1332

488 Effect of Ti addition on austenite grain size of boron treated carburizing steels  
    M.Iguchi .....................1333

489 Effect of B,Ti addition on bending strength of carburizing steels  T.Nagaoka .....................1334

490 Effects of pre-heat treatment on abnormal grain growth in high-temperature carburizing  
    N.Murai .....................1335

  

  

Process Evaluation and Material Characterization

Plenary Session

491 Characterization of fine grained steels by in-lens scanning electron microscopy
    K.Sato .....................1338

492 Thinning technique of surface layer of steel by focused Ion Beam method
    and its microstructural analysis  M.Sugiyama .....................1339

493 Construction of the database utilizing digital electron microscope images  
    A.Taniyama .....................1340

494 Determination of trace amounts of oxide-inclusions in iron and steel  K.Hanada .....................1341

495 Separation and determination of TiC in in-situ TiC particle reinforced Fe3Al based alloys  
    M.Isikuro .....................1342

496 Separation and determination for analysis of precipitates in Ti-added extra-low-carbon steel  
    T.Ichioka .....................1343

497 Local X-ray absorption spectroscopic analysis of light elements using an EPMA
    J.Kawai .....................1344

498 Change in the form of cementite in high carbon steel wires during drawing  
    T.Ohki .....................1345

499 Quick measurement of size and shape distribution of inclusions in steel  T.Isono .....................1346

500 Quantitative analysis for inclusion and solid solution in steel by laser induced mass spectrometry
    K.Katsumata .....................1347

501 Development of rapid analysis method for slag by fluorescent X-ray analysis  
    N.Makiishi .....................1348

502 Determination of arsenic in iron and steel by differential pulse anodic stripping voltammetry
    at a rotating gold-film electrode  T.Sato .....................1349

503 Optimization of measuring condition for the determination of carbon and nitrogen in steel
    by glow discharge mass spectrometry  S.Itoh .....................1350

504 Powder-boosted radio frequency glow discharge excitation source
    for direct analysis of solid samples  K.Wagatsuma .....................1351

505 Determination of oxygen in steel by spark emission spectroscopy  W.Tanimoto .....................1352

506 Various sample treatment methods for the analysis of trace oxygen in steel  
    K.Isobe .....................1353

507 Application of the two-step heating method for several types steel  T.Ise .....................1354

508 Effects of various sample treatment using mechanical, chemical and electrolytical polishing
    for the determination of trace amounts of carbon in high-purity iron  T.Ashino .....................1355

509 Determination of diffusible hydrogen in galvanized steel
    by atmospheric pressure ionization mass spectrometer  K.Sugimoto .....................1356

510 Rapid analysis of high content of Si in Si steel by electrolytic sample decomposition-ICP-AES
    M.Aimoto .....................1357

511 Determination of boron in steel by flash atomize ICP-AES  Y.Giga .....................1358

512 Determination of trace amount of aluminum in steels by ICP atomic emission spectrometry
    with iron-removing procedure  K.Yoshioka .....................1359