| 镁-稀土合金热变形特点及挤压参数的确定 |
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| 引用本文： | 吴安如 夏长清 戴晓元. 镁-稀土合金热变形特点及挤压参数的确定[J]. 稀有金属材料与工程, 2006, 35(1): 100-104 |
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| 作者姓名： | 吴安如 夏长清 戴晓元 |
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| 作者单位： | 1. 中南大学,湖南,长沙,410083;湖南工程学院,湖南,湘潭,411101
2. 湖南工程学院,湖南,湘潭,411101 |
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| 摘 要： | 采用热/力压缩模拟实验研究了3种镁-稀土合金在不同变形条件下高温塑性变形行为。结果表明，在相同的应变速率、变形温度条件下，含Ce的合金流变应力小于含Nd的合金和含Nd和Y的合金。从热加工难易程度的角度考虑，含Ce的合金更适合挤压成型。
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| 关 键 词： | 镁-稀土合金 热/力压缩 应变速率 变形温度 流变应力 |
| 文章编号： | 1002-185X(2006)01-0100-05 |
| 收稿时间： | 2004-09-28 |
| 修稿时间： | 2004-12-28 |
Thermal Deformation Characteristic and Extrusion Parameter of Mg-RE Alloys |
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| Wu Anru,Xia Changqing,Dai Xiaoyuan. Thermal Deformation Characteristic and Extrusion Parameter of Mg-RE Alloys[J]. Rare Metal Materials and Engineering, 2006, 35(1): 100-104 |
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| Authors: | Wu Anru Xia Changqing Dai Xiaoyuan |
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| Affiliation: | 1. Central South University, Changsha 410083, China; 2. Hunan Institute of Engineering, Xiangtan 411101, China |
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| Abstract: | The elevated temperature plastic deformation was studied by thermomechanical processes for three kinds of Mg-RE alloys in different temperature and different strain rate. The results show that the flow stress of 1# alloy containing Ce is lower than that of 2# alloy containing Nd, and 3# alloy containing Nd and Y at same temperature and same strain rate. The 1# alloy containing Ce is more suitable for extrusion forming from thermal deformation angle. |
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| Keywords: | Mg-RE alloy thermomechanical processes strain rate deformation temperature flow stress |
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