Discussion Session

Program of the 155th ISIJ Meeting (March 26-28, 2008)
Discussion Session Only

Current Advances in Materials and Processes, Vol.21

High Temperature Processes

Lecture No. Title Speaker Page

Current status and problems in low reducing agents rate operation under high production

1 (Keynote Lecture)
View point and possibility to blast furnace operation with low reductant agent ratio
M.Shimizu ···  2

2 Low RAR operation by modified raw materials and fuel
K.Nakamura ···  6

3 Operation of blast furnace in Kashima works under high productivity and low reducing agent rate
K.Nakano ···  10

4 Subjects for achievement of stable blast furnace operation with high productivity and low reducing agent rate from a viewpoint of raw material property
K.Miyagawa ···  14

5 Operational result and prospective assignment of productivity and low coke rate in blast furnace
H.Nishina ···  18

6 Design of burden quality and blast furnace operation under high productivity and low reducing agent rate
T.Sato ···  22

7 Reaction behavior of partial reduced iron ore hot briquettes under load at high temperatures
S.Hayashi ···  26

8 Control of biomass composition for mitigating CO2 emission in ironmaking
S.Ueda ···  30

9 Unstable solid descending motion in a cold model of blast furnace simulating low reducing agents rate operation
H.Takahashi ···  34

10 (ISIJ Research Promotion Grant)
Flow behavior of molten iron and slag at low reducing agent rate operation
K.Nishioka ···  38

11 Development of the visualization system of behavior of the blast furnace operation
S.Matsuzaki ···  42

Current Advances in Materials and Processes, Vol.21

Social Engineering on Iron and Steel Industry

Lecture No. Title Speaker Page

Development of material strategy model for resources and environment

12 Material flow analysis of rare metals associated with Japanese iron and steel industry
T.Nagasaka ···  162

13 (Nishiyama Commemorative Prize)
Development of a dynamic multi-substance flow model with steel
Y.Matsuno ···  166

14 In-use stock of steel estimated by top-down approach and bottom-up approach
-Application for automobiles and buildings in Japan-
I.Daigo ···  169

15 Basic consideration on replaces of structural materials
T.Nakamura ···  170

16 Relational model of plastics flow with steel production processes
M.Hirao ···  174

17 Material flow analysis and triangularization of input-output table
Y.Kondo ···  175

18 A way for international material leasing system
K.Halada ···  177

Current Advances in Materials and Processes, Vol.21

Instrumentation, Control and System Engineering

Lecture No. Title Speaker Page

Advanced research and development of sensing technologies for plant safety conditions in steel industry

19 Three dimensional scattering analysis of plate waves
S.Hirose ···  230

20 Visualization of guided wave propagation around defects
T.Hayashi ···  234

21 (ISIJ Research Promotion Grant)
Evaluation of variable amplitude loading by stress memory sensor
M.Enoki ···  237

22 Thinning pipe wall evaluation by using electric potential difference method
S.Honda ···  241

23 Development of surface inspection by controlled eddy current direction
M.Hashimoto ···  245

24 Development of a coil measuring Fourier coefficients of the magnetic field and its application to leakage magnetic flux testing
T.Nara ···  249

25 Speed-up inverse analysis using reduced order computational method
Application to crack profiles identification arising in ECT
F.Kojima ···  253

Research activities in the research group on "Novel steel process control based on on-line optimization technology"

26 (ISIJ Research Promotion Grant)
Discrete-time optimal control with mode transition: an application to a tension/looper system
A.Kojima ···  257

27 Start-up control for hot strip mill tension/looper system model based on model predictive control approach using optimal condition for unknown terminal time and terminal constraints
-Derivation of control law using continuation method-
S.Masuda ···  261

28 Thickness control for tandem cold mill in acceleration and deceleration condition considering the input-output limitation
A.Kitamura ···  265

29 On nonlinear modeling of tandem cold mills for nonlinear control
K.Fujimoto ···  269

30 Optimal design of low-order controllers based on Particle Swarm Optimization
T.Sugie ···  273

31 A tunable performance index for nonlinear Receding Horizon control
T.Ohtsuka ···  277

Current Advances in Materials and Processes, Vol.21

Processing for Quality Products

Lecture No. Title Speaker Page

Heat treatment and production technology of pipe and tube

32 (Keynote Lecture)
Heat treatment of steel tubes and pipes
M.Kiuchi ···  294

33 (Invited Lecture)
Recently topics of induction heating and quenching
Y.Misaka ···  298

34 (Invited Lecture)
Development of production engineering of hot tube bulge forming and its application to sub-frame
Y.Ishihara ···  302

35 Heat treatment online process for a new material designing and developments of high performance linepipes
S.Endo ···  306

36 Development of inline heat treatment technology of seamless pipe
H.Osako ···  310

37 Grain refinement in seamless rolling process
H.Asahi ···  314

Current Advances in Materials and Processes, Vol.21

Microstructure and Properties of Materials

Lecture No. Title Speaker Page

Changes of microstructure and properties in steels by severe plastic deformation

38 Deformation microstructures and their role on the mechanical properties of materials
K.Higashida ···  394

39 The process of grain refinement and the mechanisms operating in metals and alloys during severe plastic deformation
T.Sakai ···  396

40 (Invited Lecture)
Relation between grain refinement strengthening and dislocation strengthening
S.Takaki ···  400

41 Application of ECAP for ferritic stainless steel sheets to alleviate ridging
H.Miyamoto ···  402

42 Change in microstructure of high strength martensitic steels due to fatigue and the effects of none metallic inclusions
H.Yaguchi ···  406

Current Advances in Materials and Processes, Vol.21

Microstructure and Properties of Materials/ Processing for Quality Products

Lecture No. Title Speaker Page

Recent developments for predicting microstructures and mechanical properties

43 Activity of research working group 'Modeling for predicting microstructure and mechanical properties'
T.Senuma ···  410

44 Activity of microstructure prediction group in the society for the study of "Modeling for predicting microstructure and mechanical properties" and the introduction of the project of "Advanced controlled forging"
M.Umemoto ···  412

45 Recent development of control or prediction system for mechanical properties on hot rolling
Y.Maeda ···  415

46 Micro-structure prediction in hot forging process
M.Fujiwara ···  419

47 Micro-scale modeling for the prediction of microstructure evolution after severe plastic deformation
J.Yanagimoto ···  423

48 Functions of a grain boundary as a dislocation source and a barrier to dislocation glide motion
T.Ohmura ···  427

49 Three dimensional phase-field simulation of grain growth in dual-phase structures
Y.Suwa ···  428

50 Estimation of thermodynamic properties for precipitates in steels using first-principles calculations
H.Ohtani ···  432

51 Crack-tip dislocations and their effect on fracture toughness
K.Higashida ···  433

52 Precipitation in plasma-nitrided ferrous alloys
T.Furuhara ···  435

53 Prediction of mechanical behavior from microstructures in steels
Y.Tomota ···  437

54 Macroscopic behavior of elasto-plasticity on steel sheet and its macro-meso modeling
F.Yoshida ···  441

55 Predicting microstructures and evaluation of mechanical properties of steel by phase-field method and homogenization method
A.Yamanaka ···  445

56 Numerical calculation of stress-strain curve based on the phase-field secant method
T.Koyama ···  449

57 Effect of solute C and N on the Hall-Petch coefficient of polycrystalline iron
-New findings on yielding behavior of low carbon ferritic steel-
S.Takaki ···  453

58 Review of ferrite transformation in Fe-C-Si-Mn alloys
M.Enomoto ···  457

Current Advances in Materials and Processes, Vol.21

Process Evaluation and Material Characterization

Lecture No. Title Speaker Page

Environment-friendly steel analysis

59 Flow injection analysis for saving reagent consumption
H.Itabashi ···  634

60 Flow injection fluorometry of boron in steels with 2,3-Dihydroxynaphthalene
K.Watanabe ···  636

61 Automated semi-micro flow injection system as environment-friendly chemical method of analysis for iron and steel:determination of trace cadmium
T.Yamane ···  637

62 Sensitive determination of bismuth in iron and steel by stripping voltammetry
T.Tanaka ···  639

63 (ISIJ Research Promotion Grant)
Analysis of iron metals using emulsion globules and admicelles
H.Matsumiya ···  643

64 Elemental analysis of iron and steel by solid-phase extraction/ICP-MS
S.Hasegawa ···  645

65 Determination of trace metals in steel by solid-phase extraction-flame atomic absorption spectrometry
K.Oguma ···  647

66 Separation and preconcentration of trace amounts of elements in iron and steel by ion-exchange-adsorption/ion-pair-elution
A new preconcentration method with low environmental load for steel analysis
N.Uehara ···  649

67 Development of matrix removal method in steels and coprecipitation concentration method of chromium
M.Akiyama ···  653

68 Determination of arsenic and antimony in iron sample from simulation"Tatara" of iron making furnace by neutron activation analysis combined with multidimensional gamma-ray detections
S.Inoshita ···  655

69 Determination of trace elements in katana(Japanese swords) by neutron activation analysis and combustion-infrared absorption analysis
Y.Okada ···  659

Current Advances in Materials and Processes, Vol.21

Environmental and Energy Technology / Microstructure and Properties of Materials

Lecture No. Title Speaker Page

Targets of steel research and development toward greener and secure society

70 Development of non-oriented electrical steel sheets for high efficiency motors H.Yashiki ···188

71 Problems to be solved in applying an ultra-high strength steel sheet to meet the automotive passive safety Y.Hosoya ···192

72 Historical review of toughness requirements for structural steel plates Y.Hagihara ···196

73 Development of controlled forging for automobile component H.Yoshida ···200

74 Subjects for research on rolling contact fatigue K.Hiraoka ···204

Current status and problems in low reducing agents rate operation under high production


1	(Keynote Lecture) View point and possibility to blast furnace operation with low reductant agent ratio	M.Shimizu	··· 2

2	Low RAR operation by modified raw materials and fuel	K.Nakamura	··· 6

3	Operation of blast furnace in Kashima works under high productivity and low reducing agent rate	K.Nakano	··· 10

4	Subjects for achievement of stable blast furnace operation with high productivity and low reducing agent rate from a viewpoint of raw material property	K.Miyagawa	··· 14

5	Operational result and prospective assignment of productivity and low coke rate in blast furnace	H.Nishina	··· 18

6	Design of burden quality and blast furnace operation under high productivity and low reducing agent rate	T.Sato	··· 22

7	Reaction behavior of partial reduced iron ore hot briquettes under load at high temperatures	S.Hayashi	··· 26

8	Control of biomass composition for mitigating CO2 emission in ironmaking	S.Ueda	··· 30

9	Unstable solid descending motion in a cold model of blast furnace simulating low reducing agents rate operation	H.Takahashi	··· 34

10	(ISIJ Research Promotion Grant) Flow behavior of molten iron and slag at low reducing agent rate operation	K.Nishioka	··· 38

11	Development of the visualization system of behavior of the blast furnace operation	S.Matsuzaki	··· 42

Development of material strategy model for resources and environment


12	Material flow analysis of rare metals associated with Japanese iron and steel industry	T.Nagasaka	··· 162

13	(Nishiyama Commemorative Prize) Development of a dynamic multi-substance flow model with steel	Y.Matsuno	··· 166

14	In-use stock of steel estimated by top-down approach and bottom-up approach -Application for automobiles and buildings in Japan-	I.Daigo	··· 169

15	Basic consideration on replaces of structural materials	T.Nakamura	··· 170

16	Relational model of plastics flow with steel production processes	M.Hirao	··· 174

17	Material flow analysis and triangularization of input-output table	Y.Kondo	··· 175

18	A way for international material leasing system	K.Halada	··· 177

Advanced research and development of sensing technologies for plant safety conditions in steel industry


19	Three dimensional scattering analysis of plate waves	S.Hirose	··· 230

20	Visualization of guided wave propagation around defects	T.Hayashi	··· 234

21	(ISIJ Research Promotion Grant) Evaluation of variable amplitude loading by stress memory sensor	M.Enoki	··· 237

22	Thinning pipe wall evaluation by using electric potential difference method	S.Honda	··· 241

23	Development of surface inspection by controlled eddy current direction	M.Hashimoto	··· 245

24	Development of a coil measuring Fourier coefficients of the magnetic field and its application to leakage magnetic flux testing	T.Nara	··· 249

25	Speed-up inverse analysis using reduced order computational method Application to crack profiles identification arising in ECT	F.Kojima	··· 253

Research activities in the research group on "Novel steel process control based on on-line optimization technology"


26	(ISIJ Research Promotion Grant) Discrete-time optimal control with mode transition: an application to a tension/looper system	A.Kojima	··· 257

27	Start-up control for hot strip mill tension/looper system model based on model predictive control approach using optimal condition for unknown terminal time and terminal constraints -Derivation of control law using continuation method-	S.Masuda	··· 261

28	Thickness control for tandem cold mill in acceleration and deceleration condition considering the input-output limitation	A.Kitamura	··· 265

29	On nonlinear modeling of tandem cold mills for nonlinear control	K.Fujimoto	··· 269

30	Optimal design of low-order controllers based on Particle Swarm Optimization	T.Sugie	··· 273

31	A tunable performance index for nonlinear Receding Horizon control	T.Ohtsuka	··· 277

Heat treatment and production technology of pipe and tube


32	(Keynote Lecture) Heat treatment of steel tubes and pipes	M.Kiuchi	··· 294

33	(Invited Lecture) Recently topics of induction heating and quenching	Y.Misaka	··· 298

34	(Invited Lecture) Development of production engineering of hot tube bulge forming and its application to sub-frame	Y.Ishihara	··· 302

35	Heat treatment online process for a new material designing and developments of high performance linepipes	S.Endo	··· 306

36	Development of inline heat treatment technology of seamless pipe	H.Osako	··· 310

37	Grain refinement in seamless rolling process	H.Asahi	··· 314

Changes of microstructure and properties in steels by severe plastic deformation

38	Deformation microstructures and their role on the mechanical properties of materials	K.Higashida	··· 394

39	The process of grain refinement and the mechanisms operating in metals and alloys during severe plastic deformation	T.Sakai	··· 396

40	(Invited Lecture) Relation between grain refinement strengthening and dislocation strengthening	S.Takaki	··· 400

41	Application of ECAP for ferritic stainless steel sheets to alleviate ridging	H.Miyamoto	··· 402

42	Change in microstructure of high strength martensitic steels due to fatigue and the effects of none metallic inclusions	H.Yaguchi	··· 406

Recent developments for predicting microstructures and mechanical properties


43	Activity of research working group 'Modeling for predicting microstructure and mechanical properties'	T.Senuma	··· 410

44	Activity of microstructure prediction group in the society for the study of "Modeling for predicting microstructure and mechanical properties" and the introduction of the project of "Advanced controlled forging"	M.Umemoto	··· 412

45	Recent development of control or prediction system for mechanical properties on hot rolling	Y.Maeda	··· 415

46	Micro-structure prediction in hot forging process	M.Fujiwara	··· 419

47	Micro-scale modeling for the prediction of microstructure evolution after severe plastic deformation	J.Yanagimoto	··· 423

48	Functions of a grain boundary as a dislocation source and a barrier to dislocation glide motion	T.Ohmura	··· 427

49	Three dimensional phase-field simulation of grain growth in dual-phase structures	Y.Suwa	··· 428

50	Estimation of thermodynamic properties for precipitates in steels using first-principles calculations	H.Ohtani	··· 432

51	Crack-tip dislocations and their effect on fracture toughness	K.Higashida	··· 433

52	Precipitation in plasma-nitrided ferrous alloys	T.Furuhara	··· 435

53	Prediction of mechanical behavior from microstructures in steels	Y.Tomota	··· 437

54	Macroscopic behavior of elasto-plasticity on steel sheet and its macro-meso modeling	F.Yoshida	··· 441

55	Predicting microstructures and evaluation of mechanical properties of steel by phase-field method and homogenization method	A.Yamanaka	··· 445

56	Numerical calculation of stress-strain curve based on the phase-field secant method	T.Koyama	··· 449

57	Effect of solute C and N on the Hall-Petch coefficient of polycrystalline iron -New findings on yielding behavior of low carbon ferritic steel-	S.Takaki	··· 453

58	Review of ferrite transformation in Fe-C-Si-Mn alloys	M.Enomoto	··· 457

Environment-friendly steel analysis

59	Flow injection analysis for saving reagent consumption	H.Itabashi	··· 634

60	Flow injection fluorometry of boron in steels with 2,3-Dihydroxynaphthalene	K.Watanabe	··· 636

61	Automated semi-micro flow injection system as environment-friendly chemical method of analysis for iron and steel:determination of trace cadmium	T.Yamane	··· 637

62	Sensitive determination of bismuth in iron and steel by stripping voltammetry	T.Tanaka	··· 639

63	(ISIJ Research Promotion Grant) Analysis of iron metals using emulsion globules and admicelles	H.Matsumiya	··· 643

64	Elemental analysis of iron and steel by solid-phase extraction/ICP-MS	S.Hasegawa	··· 645

65	Determination of trace metals in steel by solid-phase extraction-flame atomic absorption spectrometry	K.Oguma	··· 647

66	Separation and preconcentration of trace amounts of elements in iron and steel by ion-exchange-adsorption/ion-pair-elution A new preconcentration method with low environmental load for steel analysis	N.Uehara	··· 649

67	Development of matrix removal method in steels and coprecipitation concentration method of chromium	M.Akiyama	··· 653

68	Determination of arsenic and antimony in iron sample from simulation"Tatara" of iron making furnace by neutron activation analysis combined with multidimensional gamma-ray detections	S.Inoshita	··· 655

69	Determination of trace elements in katana(Japanese swords) by neutron activation analysis and combustion-infrared absorption analysis	Y.Okada	··· 659

Targets of steel research and development toward greener and secure society


70	Development of non-oriented electrical steel sheets for high efficiency motors	H.Yashiki	···188

71	Problems to be solved in applying an ultra-high strength steel sheet to meet the automotive passive safety	Y.Hosoya	···192

72	Historical review of toughness requirements for structural steel plates	Y.Hagihara	···196

73	Development of controlled forging for automobile component	H.Yoshida	···200

74	Subjects for research on rolling contact fatigue	K.Hiraoka	···204