General Session

[G] Melting and solidification process/High temperature process

Thu. Mar 19, 2020 9:30 AM - 12:00 PM Rm. O (W932,3rd Flr., West Bldg.9)

Chair:Osamu Takeda

9：30～　竹田
10：45～　宮原

※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、基調講演と外国人特別講演は5～10分）

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9:30 AM - 10:00 AM

[366] [谷川・ハリス賞受賞講演] Physical Chemistry on Metal Refining and Resource Circulation Processes

*MORITA Kazuki¹ (1. The Univ. Tokyo)

10:00 AM - 10:15 AM

[367] Thermal reduction of a scandium sulfide by metal Ca

*KANEKO Takumi¹, HIGUCHI Hirotaka², SUZUKI　O. Ryosuke¹ (1. Hokkaido Univ., 2. Sumitomo metal mining)

10:15 AM - 10:30 AM

[368] Liquid Al electrodeposition in molten CaCl₂ with Ca-Al-O compound added

*IWAI Yuta¹, MORISHIGE Taiki², TAKENAKA Toshihide² (1. Graduate school of Kansai Univ., 2. Kansai Univ.)

Break （10:30 AM - 10:45 AM）

10:45 AM - 11:15 AM

[369] [功績賞受賞講演] Studies on Thermophysical Properties of High Temperature Melts and High Temperature Chemical Processings

*TAKEDA Osamu¹ (1. Tohoku Univ. Grad. Sch. Eng.)

11:15 AM - 11:30 AM

[370] Recycling of the end-of-life neodymium magnet trough the co-deposition of Nd-Fe liquid alloy in molten LiCl

*LU XIN¹, Ozaki Ryo¹, Zhang Xinyuan¹, Takeda Osamu¹, Zhu Hongmin¹ (1. Graduate School of Engineering, Tohoku University)

11:30 AM - 11:45 AM

[371] Effect of a quantity of Nd during solution combustion synthesis on formation of Nd₂Fe₁₄B single phase

*NAGATA Shoi¹, Inokawa Hitoshi², Tomoshige Ryuichi² (1. Graduate School of Engineering, Sojo University, 2. Faculty of Engineering, Sojo University)

11:45 AM - 12:00 PM

[372] Separation and Recovery of Tungsten and Cobalt from Cemented Carbide Urban Mine
Using Fluoride Bath Dissolution and Solvent Extraction Method

*YOSHIDA Ryuki¹, HIROSE Motoya¹, MORISHITA Masao¹, NOZAKI Ai¹, YAMAMOTO Hiroaki¹, YANAGIDA Hidehumi² (1. Univ.Hyogo, 2. SANALLOY Co.Ltd)

General Session

[G] Melting and solidification process/High temperature process

Thu. Mar 19, 2020 1:00 PM - 4:20 PM Rm. O (W932,3rd Flr., West Bldg.9)

座長:森戸春彦(東北大学)、友重　竜一(崇城大)、柳楽知也(大阪大学接合科学研究所)

13：00～　森戸
14：10～　友重
15：35～　柳楽

※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、基調講演と外国人特別講演は5～10分）

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1:00 PM - 1:15 PM

[373] Proposal of solidification length based on 3D microstructure of dendrite

*NARUMI Taka¹, KATO Yuichi¹, KAWARASAKI Takuya¹, YASUDA Hideyuki¹ (1. Kyoto Univ.)

1:15 PM - 1:30 PM

[374] Solidification morphology transition in rapid melting and rapid solidification of
Al-15mass%Cu alloy by using selective laser irradiation.

*Suemaru Naoya¹, Shimizu Ryunosuke¹, Morishita Kohei², Miyahara Hirofumi², Sugiyama Akira³, Yasuda Hideyuki⁴ (1. Kyushu Univ.(M), 2. Kyushu Univ, 3. Osaka sangyo Univ, 4. Kyoto Univ)

1:30 PM - 1:45 PM

[375] In situ observation of the surface temperature distribution of molten Sn on the chill-disk in the melt spinning process

*MISAWA KENSUKE¹, SATO SHINYA¹, TERASHIMA SHINICHI¹, YAMAMOTO SUKEYOSHI¹, SAKAMOTO SHIROAKI¹ (1. NIPPON STEEL CORPORATION)

1:45 PM - 2:00 PM

[376] Phase-field analysis of solidification in Al-Si alloy under a condition for additive manufacturing

Ohigashi yuta¹, *Okugawa Masayuki^1,2, Koizumi Yuichiro^1,2 (1. Osaka Univ., 2. Osaka Univ. Anisotropic Design & AM Research Center)

Break （2:00 PM - 2:10 PM）

2:10 PM - 2:25 PM

[377] Cell growth behavior of pure Si melt growth

*MAEDA Kensaku¹, FUJIWARA Kozo¹ (1. IMR, Tohoku Univ.)

2:25 PM - 2:40 PM

[378] Prediction of segregation to avoid cracking in additive manufacturing of superalloys

*Saito Kenji¹, Koizumi Yuichiro², Nakano Takayoshi², Okugawa Masayuki² (1. Osaka Univ, 2. Osaka Univ)

2:40 PM - 2:55 PM

[379] Quantitative analysis of grain rearrangement near shear band in semisolid deformation of Al-Cu alloy by using X-ray tomography and 3DXRD

*NARUMI Taka¹, NAKATA Takumi¹, YOSHIMURA Takuma¹, YASUDA Hideyuki¹ (1. Kyoto Univ.)

2:55 PM - 3:10 PM

[380] In situ observation of multiple parallel (1 1 1) twin boundary formation from step-like grain boundary during Si solidification

*HU Kuankan¹, MAEDA Kensaku¹, SHIGA Keiji¹, MORITO Haruhiko¹, FUJIWARA Kozo¹ (1. IMR)

3:10 PM - 3:25 PM

[381] Effect of twinning on the growth rate of the GaSb{111} facet plane

*SHIGA Keiji¹, MAEDA Kensaku¹, MORITO Haruhiko¹, FUJIWARA Kozo¹ (1. Inst. of Mater.)

Break （3:25 PM - 3:35 PM）

3:35 PM - 3:50 PM

[382] The preferred growth direction of dendrites in CrMnFeCoNi using by 4D-CT and X-ray diffraction

*NAKANO Keita¹, Narumi Taka¹, Yasuda Hideyuki¹ (1. Kyoto University)

3:50 PM - 4:05 PM

[383] Phase Selection between Hexagonal Phase and Orthorhombic Phase during Rapid Solidification from undercooled Melt of DyMnO₃

*HAYASAKA Yoh¹, KURIBAYASHI Kazuhiko², OZAWA Shumpei² (1. Chiba Inst. Tech, 2. Chiba Inst. Tech)

4:05 PM - 4:20 PM

[384] Splitting of small-angle grain boundaries during directional solidification of silicon

*CHUANG Lu-Chung¹, MAEDA Kensaku¹, SHIGA Keiji¹, MORITO Haruhiko¹, FUJIWARA Kozo¹ (1. 東北大金研)

Sessions

6.Materials Processing » Melting and solidification process/High temperature process

[G] Melting and solidification process/High temperature process

[366] [谷川・ハリス賞受賞講演] Physical Chemistry on Metal Refining and Resource Circulation Processes

[367] Thermal reduction of a scandium sulfide by metal Ca

[368] Liquid Al electrodeposition in molten CaCl₂ with Ca-Al-O compound added

[369] [功績賞受賞講演] Studies on Thermophysical Properties of High Temperature Melts and High Temperature Chemical Processings

[370] Recycling of the end-of-life neodymium magnet trough the co-deposition of Nd-Fe liquid alloy in molten LiCl

[371] Effect of a quantity of Nd during solution combustion synthesis on formation of Nd₂Fe₁₄B single phase

[372] Separation and Recovery of Tungsten and Cobalt from Cemented Carbide Urban Mine
Using Fluoride Bath Dissolution and Solvent Extraction Method

[G] Melting and solidification process/High temperature process

[373] Proposal of solidification length based on 3D microstructure of dendrite

[374] Solidification morphology transition in rapid melting and rapid solidification of
Al-15mass%Cu alloy by using selective laser irradiation.

[375] In situ observation of the surface temperature distribution of molten Sn on the chill-disk in the melt spinning process

[376] Phase-field analysis of solidification in Al-Si alloy under a condition for additive manufacturing

[377] Cell growth behavior of pure Si melt growth

[378] Prediction of segregation to avoid cracking in additive manufacturing of superalloys

[379] Quantitative analysis of grain rearrangement near shear band in semisolid deformation of Al-Cu alloy by using X-ray tomography and 3DXRD

[380] In situ observation of multiple parallel (1 1 1) twin boundary formation from step-like grain boundary during Si solidification

[381] Effect of twinning on the growth rate of the GaSb{111} facet plane

[382] The preferred growth direction of dendrites in CrMnFeCoNi using by 4D-CT and X-ray diffraction

[383] Phase Selection between Hexagonal Phase and Orthorhombic Phase during Rapid Solidification from undercooled Melt of DyMnO₃

[384] Splitting of small-angle grain boundaries during directional solidification of silicon

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