日本金属学会2023年秋期(第173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 applications(2)

Thu. Sep 21, 2023 9:00 AM - 12:20 PM JST
Thu. Sep 21, 2023 12:00 AM - 3:20 AM UTC
ISIJ'ｓ room No.14 3nd Flr.,School of Humanities Bldg.
座長:宮本 吾郎(東北大学)、高橋 学(九州大学)
※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)

[J33]Thermodynamic model of martensite-transformation-start temperature of high carbon steels

*Manabu Takahashi1, Kohtaro Hayashi2 (1. Kyushu University, 2. Nippon Steel Corp.)
9:20 AM - 9:40 AM JST(12:20 AM - 12:40 AM UTC)

[J34]Formation of ultrafine polygonal ferrite grain structure with excess carbon content from ultrafine austenite grain in 0.1C-2Si-5%Mn steel

*Shiro Torizuka1, Atsushi Ito2, Tomochika Maanami3, Yusuke Suzuki4 (1. University of Hyogo, 2. Univ. of Hyogo, 3. Univ. of Hyogo, 4. Univ. of Hyogo)
9:40 AM - 10:00 AM JST(12:40 AM - 1:00 AM UTC)

[J35]FCC-HCP Martensitic Transformation in High-Entropy Alloys

*Koichi TSUCHIYA1, Sangmin Lee1, Jangho Yi1,2, Masashi Miyakawa1, Je-In Lee3 (1. NIMS, 2. KIMS, 3. Pusan Natl. Univ.)
10:00 AM - 10:20 AM JST(1:00 AM - 1:20 AM UTC)

[J36]Martensitic transformation hysteresis and microstructure in Ni-Co-Mn-Sn-based metamagnetic shape memory alloys

*Tomoya Miyakawa1, Xiao Xu2,3, Toshihiro Omori2, Ryosuke Kainuma2 (1. Graduate School of Engineering, Tohoku Univ. (Student), 2. Graduate School of Engineering, Tohoku Univ., 3. OAS, Tohoku Univ.)
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)

[J37]Effect of pre-existed γ morphology on C and Mn partitioning during intercritical annealing in steel sheet containing Mn

*Endoh Kazuki1, Takako Yamashita2, Yuki Toji3, Yuji Tanaka4, Hiromi Yoshida5, Shinjiro Kaneko6 (1. JFE, 2. JFE, 3. JFE, 4. JFE, 5. JFE, 6. JFE)
11:00 AM - 11:20 AM JST(2:00 AM - 2:20 AM UTC)

[J38]Effect of Nb addition on hardness of ausformed martensitic steels

*Misa Takanashi1, Takuro Masumura2, Toshihiro Tsuchiyama3, Ryuji Uemori4, Takuya Maeda5, Shuichi Nakamura6 (1. Kyushu Univ., 2. Kyushu Univ., 3. Kyushu Univ., 4. Kyushu Univ., 5. Nippon Steel, 6. Nippon Steel)
11:20 AM - 11:40 AM JST(2:20 AM - 2:40 AM UTC)

[J39]Effects of heterogeneity of Mn distribution evolved during γ reversion on bainite transformation

*Kaito Matsumoto1, Goro Miyamoto2, Tadashi Furuhara3, Shunichi Nakayama4, Masao Yuga5 (1. Tohoku Univ., 2. Tohoku Univ., 3. Tohoku Univ., 4. JFE, 5. JFE)
11:40 AM - 12:00 PM JST(2:40 AM - 3:00 AM UTC)

[J30]Multi-aspect characterization of low-temperature tempering behaviors in high-carbon martensite

*Yongjie Zhang1, Kento Marusawa2, Kohei Kudo3, Satoshi Morooka4, Goro Miyamoto5, Tadashi Furuhara6 (1. Tohoku Univ., 2. Tohoku Univ., 3. Tohoku Univ., 4. JAEA, 5. Tohoku Univ., 6. Tohoku Univ.)
12:00 PM - 12:20 PM JST(3:00 AM - 3:20 AM UTC)

[J40]Effects of alloying elements on low-temperature tempering behaviors of high-carbon martensite

*Kento Marusawa1, Yongjie Zhang2, Kohei Kudo3, Satoshi Morooka4, Goro Miyamoto5, Tadashi Furuhara6 (1. Tohoku Univ., 2. Tohoku Univ., 3. Tohoku Univ., 4. JAEA, 5. Tohoku, 6. Tohoku Univ.)
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