| Effects of RE on the Microstructure of Mg-SZn-4Al Magnesium Alloys |
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| 作者姓名： | 王迎新 关绍康 曾小勤 丁文江 |
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| 作者单位： | [1]Light Alloys Net Forming National Eng. Research Center, Shanghai Jiaotong Univ. ,Shanghai 200030, China [2]School of Materials Sci. Eng. , Zhengzhou Univ. ,Zhengzhou 450002 |
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| 摘 要： | The effects of RE on the microstrcture of as-cast Mg-8Zn-4Al magnesium alloys were investigated. The results show that the solidification range of Mg-8Zn-4Al-xRE alloys increases with RE additions. A binary eutectic reaction can arise and produce a new phase （Mg：Al：Zn：RE） and the temperature of phase transformation point of the new phase is 412.85 C. In Mg-8Zn-4Al-1.5RE alloy, a small amount of Mg：Al：Zn：RE phase and ε phases are found besides a（Mg）,φand r phases. Also microstructures of Mg-8Zn-4Al alloys can be refined by addition of 1.5% RE obviously.
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| 关 键 词： | 镁合金 微观结构 稀土 工程材料 强度 材料密度 |
| 文章编号： | 1007-1172（2005）03-0298-05 |
| 收稿时间： | 2005-03-28 |
Effects of RE on the Microstructure of Mg-SZn-4Al Magnesium Alloys |
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| Wang YingXin;Guan ShaoKang;Ceng XiaoQin;Ding WenJiang.Effects of RE on the Microstructure of Mg-SZn-4Al Magnesium Alloys[J].Journal of Shanghai Jiaotong university,2005,10(3):298-302. |
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| Authors: | Wang YingXin;Guan ShaoKang;Ceng XiaoQin;Ding WenJiang |
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| Abstract: | |
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| Keywords: | Mg-8Zn-4Al magnesium alloy rate earth microstructure |
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