Year 2025 Autumn Annual Meeting of JIMM
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Session Details

一般講演6.Materials Processing : Melting and solidification process/High temperature process

[G]Solidification, crystal growth and casting

Fri. Sep 19, 2025 1:00 PM - 5:15 PM JST
Fri. Sep 19, 2025 4:00 AM - 8:15 AM UTC
Room H(C208 2nd floor Building C)
Chair:Kohei Morishita, Taka Narumi(Kyoto University)
12:15～　森下浩平
14:30～　鳴海大翔
※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 - 1:15 PM JST(4:00 AM - 4:15 AM UTC)

[120]Colony structure and micro segregation behavior in γ-iron–graphite eutectic reaction.

*Atsushi KISHIMOTO1,2, Hisao Esaka1, Masashi Nakamoto1, Masanori Suzuki1, Takeshi Yoshikawa1 (1. Osaka university, 2. Kubota Corporation)
Comment()
1:15 PM - 1:30 PM JST(4:15 AM - 4:30 AM UTC)

[121]Analysis of growth directions of hexagonal dendrite arms in Ti-48Al-2Cr-2Nb alloy

*Teruya HAGIWARA1, Ryoji KATSUBE2, Taka NARUMI3, Hideyuki YASUDA1 (1. Kyoto Univ., 2. Nagoya Univ., 3. Kyoto Univ. (Present: Univ. of Tokyo))
Comment()
1:30 PM - 1:45 PM JST(4:30 AM - 4:45 AM UTC)

[122]Evaluation method of flow stress of solid grains in the semisolid Al-Cu alloys

*Naoya Suemaru1, Taka Narumi2, Hideyuki Yasuda3 (1. Kyoto Univ., 2. Kyoto Univ. (Present: Univ. of Tokyo), 3. Kyoto Univ.)
Comment()
1:45 PM - 2:00 PM JST(4:45 AM - 5:00 AM UTC)

[123]Morphological Change of Eutectic Si in Hypoeutectic Al-Si Cast Alloy by Addition of Na Modifier

*Reishi TERASHIMA1, Hisashi SATO2, Mami MIHARA-NARITA2, Yoshimi WATANABE2 (1. Nagoya Inst. of Technol., 2. Nagoya Inst. of Technol.)
Comment()
2:00 PM - 2:15 PM JST(5:00 AM - 5:15 AM UTC)

[124]Investigation of Mechanism of Hot-Rolling Crack by Finite Element Analysis considering Macro-segregation on Cu-Sn alloy

*Nobufumi UESHIMA1, Katsunari Oikawa1, Kohei Komori2, Yusaku Takagawa2, Tomohiro Nishimura2 (1. Tohoku Univ., 2. KOBELCO)
Comment()
2:15 PM - 2:30 PM JST(5:15 AM - 5:30 AM UTC)

[125]Measurement of the lattice constant of pure Ni to detect excess vacancies induced during　undercooled solidification

*SHIYAMA HARUTO1, NARUMI TAKA2, KATSUBE RYOJI3, OHNO MUNEKAZU4, YASUDA HIDEYUKI1 (1. Kyoto Univ., 2. Kyoto Univ. (Present : Univ. of Tokyo.), 3. Nagoya Univ., 4. Hokkaido Univ.)
Comment()
2:30 PM - 2:45 PM JST(5:30 AM - 5:45 AM UTC)

[126]Molecular dynamics simulation of excess vacancy formation during rapid solidification of alloys

*Tomoya YAZAWA1, Yasushi SHIBUTA2, Munekazu OHNO3 (1. Hokkaido University, 2. University of Tokyo, 3. Hokkaido University)
Comment()
2:45 PM - 3:00 PM JST(5:45 AM - 6:00 AM UTC)

[127]Twin Experiments for Estimating Physical Properties in Irregular Eutectic Microstructure Formation by Data Assimilation

*Kohei WAKABAYASHI1, Masayuki OKUGAWA2, Sukeharu NOMOTO3, Akinori YAMANAKA4, Yuichiro KOIZUMI2 (1. Univ. Osaka, 2. Univ. Osaka, 3. NIMS, 4. Tokyo Univ. of Agri. and Tech.)
Comment()
3:00 PM - 3:15 PM JST(6:00 AM - 6:15 AM UTC)

break

3:15 PM - 3:30 PM JST(6:15 AM - 6:30 AM UTC)

[128]Influence of laser scanning angle on the deformation of cantilever beams in powder bed fusion laser-beam

*Tomoki TAKASHIMA1, Toshiharu Matsumoto3, Kohei Morishita2, Hirofumi Miyahara2 (1. Kyushu Univ.(M), 2. Kyushu Univ., 3. Tobata seisakusho co.,Ltd.)
Comment()
3:30 PM - 3:45 PM JST(6:30 AM - 6:45 AM UTC)

[129]Evaluation of Melting Time of Metal Powder on In-situ Alloying in Laser Melting

*Takanori KAWABE1, Kohei MORISHITA2 (1. Kyushu Univ.(M), 2. Kyushu Univ.)
Comment()
3:45 PM - 4:00 PM JST(6:45 AM - 7:00 AM UTC)

[130]Time Evolution of the Temperature Distribution inside the Melt Pool Formed by Laser Irradiation

*Teppei WATANABE1, Kohei MORISHITA2 (1. 九大工（院生）、2. 九大工)
Comment()
4:00 PM - 4:15 PM JST(7:00 AM - 7:15 AM UTC)

[131]Molecular dynamics simulations study of local structure changes during rapid heating and melting of Al alloys in powder bed fusion

*Hirotaka TAKASHIMA1, Masayuki OKUGAWA2, Yuichiro KOIZUMI2 (1. The Univ. of Osaka, 2. The Univ. of Osaka)
Comment()
4:15 PM - 4:30 PM JST(7:15 AM - 7:30 AM UTC)

[132]Solidification Microstructures of SKD61 Steel Fabricated by Single Bead Testing

*Yuusaku HASEBE1, Takehito Hagisawa1 (1. The Japan Steel Works, LTD)
Comment()
4:30 PM - 4:45 PM JST(7:30 AM - 7:45 AM UTC)

[133]The Effects of Changes in Solidification Velocity during Rapid Solidification in Melt Pool on Solidification Microstructure

*Hibiki SHINOZAKI1, Kohei MORISHITA2 (1. 九大工（院生）、2. 九大工)
Comment()
4:45 PM - 5:00 PM JST(7:45 AM - 8:00 AM UTC)

[134]Asymmetric Formation of Equiaxed Crystals in a Melt Pool of Al-Cu Alloy

*Kosei NAKAOKA1, Kohei Morishita2 (1. 九大工（院生）、2. 九大工)
Comment()
5:00 PM - 5:15 PM JST(8:00 AM - 8:15 AM UTC)

[135]Effect of Melt Pool Arrangement and Shape on Accuracy in Flame-Retardant Mg Alloy Manufactured by Powder Bed Fusion Laser Beam

*Hibiki KISHIKAWA1, Toshiharu MATSUMOTO2, Kohei MORISHITA3, Hirofumi MIYAHARA3 (1. Kyushu University(M1), 2. Tobata seisakusho co.,Ltd., 3. Kyushu University)
Comment()
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