| Effect of casting parameters and deformation on microstructure evolution of twin-roll casting magnesium alloy AZ31 |
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| 引用本文： | 巨东英 胡小东. Effect of casting parameters and deformation on microstructure evolution of twin-roll casting magnesium alloy AZ31[J]. 中国有色金属学会会刊, 2006, 16(B02): 874-876,877 |
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| 作者姓名： | 巨东英 胡小东 |
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| 作者单位： | [1]Research center of High Technology, Anshan University of Science and Technology, Anshan 114044, China [2]Department of Mechanical Engineering, Saitama Institute of Technology, Japan |
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| 摘 要： |
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| 关 键 词： | 双辊铸造法 镁合金 AZ31 铸造参数 形变 显微结构 |
| 收稿时间： | 2006-04-10 |
| 修稿时间： | 2006-04-25 |
Effect of casting parameters and deformation on microstructure evolution of twin-roll casting magnesium alloy AZ31 |
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| JU Dong-ying, HU Xiao-dong. Effect of casting parameters and deformation on microstructure evolution of twin-roll casting magnesium alloy AZ31[J]. Transactions of Nonferrous Metals Society of China, 2006, 16(B02): 874-876,877 |
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| Authors: | JU Dong-ying HU Xiao-dong |
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| Abstract: | Twin roll casting method is a promising route to directly produce magnesium alloy strip. It is a rapid solidification process with high temperature gradient combined with thermal flow and roiling deformation in the casting region. As-cast strip with proper mierostructure is requested to serve as next rolling feedstock. However the microstructure of as-cast strip is sensitive for casting conditions during the casting process and the as-cast microstructure greatly affects the mechanical properties. In this work, the effect of casting speed, pouring temperature, deformation as well as anneal process on microstructure and mechanical properties were investigated. The results revels that twin-roll casting process can effectively refine the grain size, improve the morphology and distribution states of Mg1TAl12. The homogenization treatment time can be shorted for the fine microstructure and lower the cost dramatically for the next forming process. |
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| Keywords: | Twin-roll casting thin strip magnesium alloy AZ31 microstructure evolution |
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