Program of the 153rd ISIJ Meeting (March 27-29, 2007)
Discussion Session Only






High Temperature Processes



Lecture No. Title Speaker   Page
New developments on the sintering process by designing of composite granulation & bed structure
D1 Development of production process of pre-reduced agglomerates using sinter bed
 H.Sato
···  2
D2 Granule design for the sintering with less amount of liquid phase formation
 T.Otomo ···  5
D3 Viscosity measurements of calcium ferrite melts and evaluations of penetration behavior into sintered hematite
 S.Yoshimura ···  9
D4 Organization structure and reduction behavior of composite iron ore sinter
 H.Ono-Nakazato ···  13
D5 Structure of the SFCA-I phase and its behavior under reducing condition
 K.Sugiyama ···  17
D6 Numerical simulation of the mosaic embedding iron ore sintering (MEBIOS) process
 N.Hayashi ···  21
D7 Measurement for thermal diffusivity of iron ore compact during sintering process
 H.Shibata ···  25
D8 Numerical simulation of air and particle motions and agglomeration processes in sintering beds
 T.Umekage ···  28
D9 Effect of moisture-retention capacity and Stokes deformation number on optimum iron ore pelletization
 I.Sekiguchi ···  32
D10 Relationship between particle size and strength of granulated particle for iron ore sinter
 T.Maeda
···  36
D11 Computer simulation of granulation of iron ores and factors correlating to granulation phenomena
 J.Kano
···  40



Social Engineering on Iron and Steel Industry


Lecture No. Title Speaker   Page

Sustainable use of iron scraps in Japan and Asian countries and development of methodologies
for assessing the reduction potential of environmental impactsII
D12 Global circulation of the ferrous materials and the use of steel scrap
(Details of steel production and the composition of ferrous raw materials-1)
S.Hayashi ···  204
D13 Estimation of steel scrap flow in Japan and Asian countries in the future
 Y.Igarashi ···  206
D14 Relationship between collection rate of steel scraps and its market
 I.Daigo ···  209
D15 Development of dynamic waste input output model considering contamination of tramp elements
 K.Yokoyama ···  211
D16 Estimation of tramp elements amount in the accumulative quantity of iron and steel
 W.Tamaki ···  215
D17 Resource productivity and recycling
 K.Halada ···  216

Instrumentation, Control and System Engineering


Lecture No. Title Speaker   Page


Proposal from the system field to the technical skill succession and personnel training
in the steel industry
D18 Acquisition and inherit of technological knowledge in chemical industry
 M.Konishi ···  278
D19 Collaborative skill succession support systems allowing users' proactive generation of meanings
 T.Sawaragi ···  282
D20 Construction of OJT support system and trial toward analysis of work knowledge
 T.Tateno ···  286
D21 An efficient method of patent information retrieval using text mining
K.Tsuda ···  288
D22 (Invited Lecture)Understanding and acquisition of human skills
:Embedded rule observation and slump inducing
 H.Mochiyama ···  290
Processing for Quality Products


Lecture No. Title Speaker   Page
Recent welding technology applied for pipes and other use
D23 (Keynote Lecture)Welding of gas and oil transport linepipes
 Y.Komizo ···  308
D24 Welding of austenitic heat resistant steel for boiler tube
 H.Morimoto ···  312
D25 Electro magnetic and heat conductive FE analysis on high frequency tube welding process
 T.Okabe ···  316
D26 (Invited Lecture)Butt-welding of layered sheets by pulsed TIG welding
and trial fabrication of a double-walled pipe
 Y.Kasuga ···  319
D27 (Invited Lecture)Application of friction stir welding into steels
 T.Shinoda ···  323


 Microstructure and Properties of Materials


Lecture No. Title Speaker   Page
Fundamentals of martensite and bainite toward future steels with high performance
D28 Examples and unresolved issues in applications of bainitic microstructures
to high strength steel sheets for auto-bodies
M.Takahashi ···  368
D29 Key to improve fatigue resistance in high strength martensitic steels
H.Yaguchi ···  372
D30 Recent utilization examples of steels with bainitic microstructure for welded structures and a proposal
for future works on their microstructural controls
S.Endo ···  376
D31 Improvement of strength and toughness by ausforming and it's productive problems
 H.Yoshida ···  380
D32 Materials science and technology on matrensitic steels for advanced USC power plants
 M.Igarashi ···  384
D33 Crystallographical analysis of lath martensite morphology in the ultra-low carbon steels
 S.Morito ···  388
D34 Controlling factors of grain sizes in martensite and bainite structures
 T.Furuhara ···  392
D35 A new approach for interpretation of strengthening mechanism of martensitic steel through characterization
of local deformation behavior
 T.Ohmura ···  396
D36 Contribution of mobile dislocations to yielding behavior of martensitic steel
 K.Nakashima ···  400
D37 Work hardening mechanism studied by in situ neutron diffraction during tensile deformation
 S.Morooka ···  404
D38 Effects of a high magnetic field on martensitic and bainitic transformations in Fe-based alloys
 H.Ohtsuka ···  408
D39 Bainite transformation behavior from γ+α' structure
 H.Kawata ···  411

New aspects of steels disclosed by severe plastic deformation
D40 Grain refinement using severe plastic deformation mechanism and limitation
 Z.Horita ···  414
D41 Possibility to manage both high strength and high ductility-toughness in nanostructured metals fabricated
by severe plastic deformation
 N.Tsuji ···  418
D42 Ultrafine grained structure formation on the high speed machined surface in carbon steels
 M.Umemoto ···  420
D43 Nanocrystallization by rolling contact fatigue
 K.Hiraoka ···  424


 Process Evaluation and Material Characterization

Lecture No. Title Speaker   Page

Progress in evaluation of inclusion particles in steel
D44 Characterization and analysis of inclusion and precipitate in steels
 T.Takayama ···  562
D45 New development method for inclusion and precipitates analysis
 A.Chino ···  566
D46 Electrolytic extraction method for evaluation of size distribution of inclusion particles in steel
 R.Inoue ···  568
D47 Analysis of inclusions in steel by helium microwave induced plasma atomic emission spectrometry
 T.Aiura ···  572
D48 Determination of inclusion elements in steels by microwave-induced atmospheric-pressure helium plasma spectrometry
 H.Iwata ···  573
D49 (Invited Lecture)Hierarchical characterization of inclusions and precipitates in steel
 S.Suzuki ···  574
D50 (Invited Lecture)Microstructure control of steels using inclusions -Current understandings and future directions
 T.Koseki ···  576


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