日本金属学会2022年秋期(第171回)講演大会
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Session Details

共同セッション

[J]JIM-ISIJ Joint Session:Materials science of martensitic and bainitic transformations and its

Thu. Sep 22, 2022 1:00 PM - 4:10 PM JST
Thu. Sep 22, 2022 4:00 AM - 7:10 AM UTC
Rm. R B32,3Flr. Build.B
Chair:Yuki Toji(JFE Steel)
※表示の講演時間には質疑応答時間も含みます。
（質疑応答時間5分、基調講演と招待講演は5～10分）
1:00 PM - 1:20 PM JST(4:00 AM - 4:20 AM UTC)

[J29]Understanding the isothermal dynamics and non-ergodicity of martensitic transformations based on thermal activation mechanisms

*Kodai NIITSU1,2, Yoshiki YANO3, Ryosuke KAINUAMA4, Haruyuki INUI2 (1. NIMS, 2. Kyoto Univ., 3. Kyoto Univ., 4. Tohoku Univ.)
1:20 PM - 1:40 PM JST(4:20 AM - 4:40 AM UTC)

[J30]Effect of ausforming on thermal and mechanical stabilities of metastable austenitic stainless steel

*Takuro Masumura1, Toshihiro Tsuchiyama2 (1. Kyushu Univ., 2. Kyushu Univ.)
1:40 PM - 2:00 PM JST(4:40 AM - 5:00 AM UTC)

[J31]Effect of Si content on thermal stability of austenite in TRIP steel -1st report-
(Bainite transformation behavior in austemper of medium Si steel)

*Fangyi Wang1, Tadachika Chiba2, Yoshiyasu Kawasaki3, Hideyuki Kimura4, Tatsuya Nakagaito5, Shinjiro Kaneko6 (1. JFE, 2. JFE, 3. JFE, 4. JFE, 5. JFE, 6. JFE)
2:00 PM - 2:20 PM JST(5:00 AM - 5:20 AM UTC)

[J32]Effect of Si content on thermal stability of austenite in TRIP steel -2nd report- (Microstructure and its evolution during Q&P treatment)

*Tadachika Chiba1, Fangyi Wang2, Yoshiyasu Kawasaki3, Hideyuki Kimura4, Tatsuya Nakagaito5, Shinjiro Kaneko6 (1. JFE, 2. JFE, 3. JFE, 4. JFE, 5. JFE, 6. JFE)
2:20 PM - 2:40 PM JST(5:20 AM - 5:40 AM UTC)

[J33]Effect of compositional heterogeneity in austenite on bainitic transformation in TRIP steel

*Miku Watanabe1, Goro Miyamoto2, Tadashi Furuhara3 (1. Tohoku Univ., 2. Tohoku Univ., 3. Tohoku Univ.)
2:40 PM - 2:50 PM JST(5:40 AM - 5:50 AM UTC)

break

2:50 PM - 3:10 PM JST(5:50 AM - 6:10 AM UTC)

[J34]Effect of pre-existed γ morphology on the formation behavior of retained γ in steel sheet containing Mn

*Kazuki Endoh1, Yuki Toji2, Yuji Tanaka3, Yamashita Takako4, Kaneko Shinjiro5 (1. JFE, 2. JFE, 3. JFE, 4. JFE, 5. JFE)
3:10 PM - 3:30 PM JST(6:10 AM - 6:30 AM UTC)

[J35]Effect of carbon content on the carbon partitioning during Q&P heat treatment accompanied by carbide precipitation

*Yuki Toji1, Yuji Tanaka2, Takako Yamashita3, Shinjiro Kaneko4 (1. JFE, 2. JFE, 3. JFE, 4. JFE)
3:30 PM - 3:50 PM JST(6:30 AM - 6:50 AM UTC)

[J36]Microstructure formation and carbon partitioning during isothermal heat treatment observed by in situ TOF neutron diffraction

*Yusuke Onuki1, Kazuki Fujiwara2, Yasuaki Tanaka3, Kaori Kawano4, Toshiro Tomida5, Shigeo Sato6 (1. TDU, 2. Nippon Steel (currently NSRI), 3. Nippon Steel, 4. Nippon Steel, 5. Ibaraki Univ., 6. Ibaraki Univ.)
3:50 PM - 4:10 PM JST(6:50 AM - 7:10 AM UTC)

[J37]Microstructure observation of Ti-Mo-Sn-Al alloy showing shape memory effect by diffusional-displacive phase transformation

*Kazuto Ando1, Naoki Nohira1, Wan-Ting Chiu1, Akira Umise1, Masaki Tahara1, Hideki Hosoda1 (1. Inst. Innovative Research, Tokyo Tech.)
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