The 189th ISIJ Spring Meeting
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Session Details

Discussion SessionsHigh Temperature Processes

Progress of the latest researches aiming at elucidating the evolution mechanism of inclusions during steel solidification process

Sat. Mar 8, 2025 9:30 AM - 12:25 PM JST
Sat. Mar 8, 2025 12:30 AM - 3:25 AM UTC
Room3（Bldg.1 1F 101）
松浦宏行 [東大]、吉川健 [阪大]
9:40 AM - 10:00 AM JST(12:40 AM - 1:00 AM UTC)

[D5]Evaluation of activity coefficients of oxygen and nitrogen in molten Fe-based alloy using solvation shell model

○Masanori Suzuki, Yusuke Omi, Masashi Nakamoto, Takeshi Yoshikawa (Osaka Univ.)
10:00 AM - 10:20 AM JST(1:00 AM - 1:20 AM UTC)

[D6]Demonstrating solidification path and metastable ferrite nucleation induced by non-metallic inclusions in Fe-22Mn-0.7C alloys using time-resolved X-ray imaging techniques

○Taka Narumi, Kengo Fujita, Makoto Ohta, Ryoji Katsube, Hideyuki Yasuda (Kyoto Univ.)
10:20 AM - 10:40 AM JST(1:20 AM - 1:40 AM UTC)

[D7]Quantitative understanding of microsegregation and inclusion formation behaviors during solidification using model solution

○Sakiko Kawanishi1, Yuki Tsukahara2, Haruto Nakao1, Sohei Sukenaga2, Hisao Esaka3, Hiroyuki Shibata2 (1.Kyoto Univ., 2.Tohoku Univ., 3.Osaka Univ.)
10:40 AM - 11:00 AM JST(1:40 AM - 2:00 AM UTC)

[D8]Precipitation behavior of MnS from molten iron to Al2O3 during solidification

○Kengo Kato1, Akito Takeda1, Takuma Kurokawa2, Hideki Ono1 (1.Univ. of Toyama, 2.Univ. of Toyama)
11:15 AM - 11:35 AM JST(2:15 AM - 2:35 AM UTC)

[D9]Research on the evolution and growth behavior of non-metallic inclusions during solidification through unidirectional solidification experiments

○Hiroyuki Matsuura1, Kouki Kameda1, Yuewen Fan2, Xiaojun Hu2 (1.The Univ. of Tokyo, 2.Univ. Sci. Tech. Beijing)
11:35 AM - 11:55 AM JST(2:35 AM - 2:55 AM UTC)

[D10]Proposal on evaluation method for distribution of inclusions in micro segregation/structure of unidirectional solidified steel

○Akira Takahashi1, Anna Sciazko2, Naoki Shikazono2, Masashi Nakamoto1, Hisao Esaka1, Takeshi Yoshikawa1 (1.Osaka Univ., 2.The Univ. of Tokyo)
11:55 AM - 12:15 PM JST(2:55 AM - 3:15 AM UTC)

[D11]Proposal for estimation of fraction solid in the horizontal cross section of unidirectionally solidified specimen

○Hisao Esaka, Akira Takahashi, Masashi Nakamoto, Takeshi Yoshikawa (Osaka Univ.)
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