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Title: スラリー・溶湯混合法による半凝固過共晶Al-Si合金の初晶Si粒径の制御
Other Titles: Control of Primary Silicon Crystal Size of Semi-Solid Hypereutectic Al-Si Alloy by Slurry-Melt Mixing Process
Authors: 大参, 達也1 Browse this author →KAKEN DB
簑口, 光樹2 Browse this author
工藤, 昌行3 Browse this author
伊藤, 洋一4 Browse this author
松浦, 清隆5 Browse this author →KAKEN DB
Authors(alt): Ohmi, Tatsuya1
Minoguchi, Kouki2
Kudoh, Masayuki3
Itoh, Youichi4
Matsuura, Kiyotaka5
Keywords: semi-solid processing
hypereutectic aluminum-silicon alloy
hypoeutectic aluminum-silicon alloy
primary silicon
structure control
Issue Date: Nov-1994
Publisher: 日本金属学会
Journal Title: 日本金属学会誌
Journal Title(alt): Journal of the Japan Institute of Metals
Volume: 58
Issue: 11
Start Page: 1311
End Page: 1317
Publisher DOI: 10.2320/jinstmet1952.58.11_1311
Abstract: The hypereutectic Al-Si alloy slurries with various mean sizes of primary silicon crystals were produced by the slurry-melt mixing process, in which the hypoeutectic alloy slurry and the hypereutectic alloy melt with various silicon contents were mixed and cooled under different environmental conditions. Two kinds of parameters were examined to evaluate the effect of the combination of the alloy composition on the primary silicon crystal size: one is related to the stability of the primary silicon crystals in the mixed alloy, and the other to the number of them which are to nucleate in the second alloy. It was elucidated that both of them provide a good guide on controlling the primary silicon crystal size. And it was also observed that the heat absorptivity of the mixing vessel plays a more important role in the refinement of the primary silicon crystals than the thermal condition of the atmosphere.
Type: article
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 大参 達也

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