断熱急冷鋳型式連続鋳造法で作製された４０３２アルミニウム合金ビレット
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概要
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In order to improve on the quality of Al–Si alloy billets, which are used as the feed stock for precision forging, a new vertical semi-continuous casting process has been adopted using a heat insulating and rapid cooling mold (HI-RCM) casting process. In our study, 4032 aluminum alloy billets with smooth surfaces have been obtained by controlling casting rates of HI-RCM process. Distributions of primary silicon, eutectic structure and secondary dendrite arm spacing (DAS) in the conventional DC casting billets were compared with the smooth surface billets fabricated by HI-RCM casting process under optimum conditions, and the latter one had finer and more homogeneous microstructures than those in the former billets.
- 一般社団法人 軽金属学会の論文
一般社団法人 軽金属学会 | 論文
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- Undercooling and solidification behavior of fluid clumps of second-poured melt of hypereutectic Al-Si alloy in Duplex Casting process.
- Change in apparent viscosity of stirred slurry during production of semi-solid hypereutectic Al-Si alloy by slurry-melt mixing process.