| Hot-compression constitutive relation of as-cast AZ31 magnesium alloy |
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| 引用本文： | 史禔 余琨 黎文献 王日初 王晓艳 蔡志勇. Hot-compression constitutive relation of as-cast AZ31 magnesium alloy[J]. 中国有色金属学会会刊, 2007, 17(A01): 336-341 |
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| 作者姓名： | 史禔 余琨 黎文献 王日初 王晓艳 蔡志勇 |
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| 作者单位： | School of Materials Science and Engineering, Central South University, Changsha 410083, China |
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| 基金项目： | Project（2006BAE04B02-3） supported by the National Key Technologies R＆D Program of China During the I I th Five-Year Plan Period |
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| 摘 要： |
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| 关 键 词： | 镁合金 热处理技术 流体压力 微观结构 |
| 收稿时间： | 2007-07-15 |
| 修稿时间： | 2007-09-10 |
Hot-compression constitutive relation of as-cast AZ31 magnesium alloy |
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| SHI Ti, YU Kun, LI Wen-xian, WANG Ri-chu, WANG Xiao-yan, CAI Zhi-yong. Hot-compression constitutive relation of as-cast AZ31 magnesium alloy[J]. Transactions of Nonferrous Metals Society of China, 2007, 17(A01): 336-341 |
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| Authors: | SHI Ti YU Kun LI Wen-xian WANG Ri-chu WANG Xiao-yan CAI Zhi-yong |
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| Abstract: | In hot-compression process, the various factors have obvious effects on the deformation behavior of AZ31 magnesium alloy deformation behavior. To understand the hot-compression constitutive relation thoroughly, the stress-strain behavior of AZ31 magnesium alloy at various strain rates and different deformation temperatures were investigated under maximum strain of 60%. The microstructure of the experimental alloy was studied in the hot-compression procedure. The experimental results show that the relation of peak flow stress, strain rate and temperature can be described by Z parameter which contains Arrheniues item. The strain rate and the deformation temperature are the key parameters affecting deformation activation energy. |
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| Keywords: | magnesium alloys AZ31 hot-compression flow stress microstructure |
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