日本金属学会2021年秋期(第169回)講演大会
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[J]Materials science of martensitic and bainitic transformations and its applications (1)

Thu. Sep 16, 2021 9:00 AM - 12:00 PM JST
Thu. Sep 16, 2021 12:00 AM - 3:00 AM UTC
Rm. P ZoomRm.P
座長:中田 伸生(東京工業大学)、宮本 吾郎(東北大学)
※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）
9:00 AM - 9:20 AM JST(12:00 AM - 12:20 AM UTC)

[J15]Effect of thermomechanical treatment on recrystallization and quenched structure of medium Mn steel

*Kyosuke Matsuda1, Takuro Masumura2, Toshihiro Tsuchiyama3, Ryuji Uemori4, Yuuzoh Kawamoto5, Hiroyuki Shirahata6 (1. Kyushu Univ., 2. Kyushu Univ., 3. Kyushu Univ., 4. Kyushu Univ., 5. Nippon Steel, 6. Nippon Steel)
9:20 AM - 9:40 AM JST(12:20 AM - 12:40 AM UTC)

[J16]Changes in solute carbon concentration and toughness during low-temperature tempering in martensitic carbon steel containing retained austenite.

*Shohei Uranaka1, Takuro Masumura2, Toshihiro Tsuchiyama3, Ryuji Uemori4, Yuuzoh Kawamoto5, Hiroyuki Shirahata6 (1. Kyushu Univ., 2. Kyushu Univ., 3. Kyushu Univ., 4. Kyushu Univ., 5. Nippon Steel, 6. Nippon Steel)
9:40 AM - 10:00 AM JST(12:40 AM - 1:00 AM UTC)

[J17]Effect of reduction rate / pass in controlled rolling on the properties and texture of bainite structure

*NAOKI TAKAYAMA1, SHUNICHI TACHIBANA1, YOSHIAKI MURAKAMI1 (1. JFE Steel Corp.)
10:00 AM - 10:20 AM JST(1:00 AM - 1:20 AM UTC)

[J18]Relationship between heterogeneous carbon distribution in bainite and austenite microstructure and thermal stability of austenite

*Miku Watanabe1, Goro Miyamoto2, Satoshi Morooka3, Tadashi Furuhara2 (1. Tohoku University, 2. Institute for Materials Research, 3. Japan Atomic Energy Agency)
10:20 AM - 10:40 AM JST(1:20 AM - 1:40 AM UTC)

break

10:40 AM - 11:00 AM JST(1:40 AM - 2:00 AM UTC)

[J19]Anisotropy of cleavage fracture caused by transformation internal stress in martensitic steels

*Daisuke Fukui1, Nobuo Nakada2, Susumu Onaka3 (1. Tokyo Tech., 2. Tokyo Tech., 3. Tokyo Tech.)
11:00 AM - 11:20 AM JST(2:00 AM - 2:20 AM UTC)

[J20]TRIP effect via γ→ε→α' transformation and reverse ε→γ transformation in Fe-15Mn-10Cr-8Ni-4Si steel

*Takahiro Sawaguchi1, Fumiyoshi Yoshinaka2, Susumu Takamori3 (1. NIMS, 2. NIMS, 3. NIMS)
11:20 AM - 11:40 AM JST(2:20 AM - 2:40 AM UTC)

[J21]Fatigue crack growth associated with microstructural evolution under cyclic loading in nano-twinned SUS304 steel

*Yoji MINE1, Aya MATSUSHITA2, Kazuki TAKASHIMA1 (1. Kumamoto Univ., 2. Kumamoto Univ. (Present: Mitsubishi Steel))
11:40 AM - 12:00 PM JST(2:40 AM - 3:00 AM UTC)

[J22]3D-EBSD analysis for microstructural fatigue crack propagation in lath martensite of carbon steel

*Shohei UEKI1, Yoji MINE2, Xinyu LU3, Yu-Lung CHIU3, Paul BOWEN3, Kazuki TAKASHIMA2 (1. Shimane Univ., 2. Kumamoto Univ., 3. Univ. of Birmingham)
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