Oral program

May 17 (Thu.) | May 18 (Fri.) | May 19 (Sat.)

May 17 (Thu.)

AM
Session 1  Chair: Tadashi Furuhara (Tohoku University)
9:00-9:10 Opening remark
Tadashi Furuhara  (Tohoku University, Japan)
9:10-10:10

[ Plenary talk ]

"Recent advance in understanding martensite in steels "

Tadashi Maki  (Kyoto University & Nippon Steel Corporation, Japan)

10:10 - 10:30  Coffee Break
Session 2  Chair: Manabu Takahashi ( Nippon Steel Corporation, Japan )
10:30-11:30 [ Keynote talk ]
"The microstructure and toughness of martensitic steel”
J.W. Morris, Jr. (University of California, Berkeley, U. S. A.)
11:30-12:15 "A new aspect of the strengthening factors of Fe-C martensite through characterization of nanoindentation-induced deformation behavior"
Takahito Ohmura, Kaneaki Tsuzaki (National Institute for Materials Science)
12:15-13:45  Lunch
PM
Session 3  Chair: Yo Tomota (Ibaraki University, Japan )
13:45-14:45 [ Keynote talk ]
"The nature, mechanism and properties of strong bainite"

H.K.D.H.Bhadeshia (University of Cambridge, U.K.)
14:45-15:30 “Applications of bainitic microstructures to high strength steel sheets for auto-bodies”
Manabu Takahashi ( Nippon Steel Corporation, Japan )
15:30-15:50  Coffee Break
Session 4  Chair: Nobuhiro Tsuji (Osaka University, Japan )
15:50-16:50 [ Keynote talk ]
On the Mechanism of the Bainite Reaction
W. T. Reynolds, Jr. (Virginia Polytechnic Institute and State University, U. S. A.)
16:50-17:35 “On the controlling factors of grain sizes in ferrous martensite and bainite”
Tadashi Furuhara (Tohoku University, Japan), Shigekazu Morito (Shimane University, Japan), Tadashi Maki (Kyoto University & Nippon Steel Corporation, Japan)
Evening
17:40-19:00  Dinner
Session 5  Chair: Kaneaki Tsuzaki (National Institute for Materials Science, Japan)
19:00-20:30

Prepared discussion "Strength mechanism of martensite"
"Crystallographic analysis of characteristic sizes of lath martensite morphology" Shigekazu Morito, Takuya Ohba (Shimane University, Japan)

"Discussion: What is the contribution of dislocation boundaries to strength of metals ?" Nobuhiro Tsuji (Osaka University, Japan), Naoya Kamikawa, Xiaoxu Huang, Niels Hansen (Risø National Laboratory, Demark)

May 18 (Fri.)

AM
Poster Session   Chair: Hideharu Nakashima (Kyushu University, Japan), 
Kei Ameyama (Ritsumeikan University, Japan)
9:00-10:40 Short presentation
10:40 - 11:00  Coffee Break
11:00-12:30 Poster presentation
12:30-14:00  Lunch
PM
Session 6  Chair: J. W. Morris, Jr. (University of California, Berkeley, U. S. A.)
14:00-14:45 "Key to Improve Fatigue Resistance in High Strength Martensitic Steels"
Hiroshi Yaguchi (Kobelco Research Institute, Inc., Japan)
14:45-15:30 “Application of Ausforming process to Components”
Sachihiro Isogawa, Hiroaki Yoshida, Masanao Fujiwara (Daido Steel Co.ltd., Japan )
15:30-16:00  Coffee Break
Session 7  Chair: H. K. D. H. Bhadeshia (University of Cambridge, U.K.)
16:00-16:45 "Recent Utilization Examples of Steels with Bainitic Microstructure for Welded Structures and an Proposal for Future Works on their Microstructural Controls"
Shigeru Endo, Mitsuhiro Okatsu, Keiji Ueda, Nobuo Shikanai (JFE Steel Corporation, Japan)

16:45-17:30

“Materials Science and Technology on Martensitic Steels for Advanced USC Power Plants”
Masaaki Igarashi, Mitsuru Yoshizawa, Hiroyuki Semba, Hirokazu Okada (Sumitomo Metal Industries, Ltd., Japan), Katsumi Yamada (JFE Steel Corporation, Japan), Hiroshi Okubo, Seiichi Muneki, Fujio Abe (National Institute for Materials Science, Japan)

18:30-21:00  Dinner Party

May 19 (Sat.)

AM
Session 8  Chair: W. T. Reynolds, Jr. (Virginia Polytechnic Institute and State University, U. S. A.)
9:00-9:45

"Time-resolved X-ray diffraction investigation of austenite and transformation to bainite"
S. S. Babu, (Edison Welding Institute, U. S. A.), E. D. Specht, S. A. David (Oak Ridge National Laboratory, U. S. A.), E. Karapetrova, P. Zschack (University of Illinois at Urbana-Champaign, U. S. A.), M. Peet, H. K. D. H. Bhadeshia (University of Cambridge, U. K.)

9:45-10:30 “Numerical Simulation of Cu precipitation in Steel ”
Masato Enomoto (Ibaraki University, Japan), J. B. Yang, C. Zhang (Tsinghua University, China)

10:30 - 10:50  Coffee Break
Session 10  Chair: Kaneaki Tsuzaki (National Institute for Materials Science, Japan )
10:50-11:35 “Effects of a High Magnetic Field on Martensitic and Bainitic Transformations in Fe-Based Alloys”
Hideyuki Ohtsuka (National Institute for Materials Science, Japan)

11:35-12:00

Closing remarks
Kaneaki Tsuzaki (National Institute for Materials Science),
Yo Tomota (Ibaraki University, Japan )