| Effect of Rare Earth on Superplasticity of Zn—5Al Eutectic Alloy |
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| 引用本文： | 石志强,叶以富,李世春,王焕荣,滕新营.Effect of Rare Earth on Superplasticity of Zn—5Al Eutectic Alloy[J].中国稀土学报(英文版),2002,20(3):209-212. |
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| 作者姓名： | 石志强 叶以富 李世春 王焕荣 滕新营 |
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| 作者单位： | 1. Key Laboratory of Liquid Structure and Heredity of Materials，Ministry of Education，Shandong University，Jinan 250061，China; 2. College of Mechanica |
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| 基金项目： | ProjectsupportedbytheNationalNaturalScienceFoundationofChina(5 98710 3 1,5 98710 2 5 ) |
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| 摘 要： | Zｎ Ａｌａｌｌｏｙｉｓｏｎｅｏｆａｌｌｏｙｍａｔｅｒｉａｌｓｗｉｄｅ ｌｙｕｓｅｄｉｎｉｎｄｕｓｔｒｙ .Ｚｎ 5Ａｌｅｕｔｅｃｔｉｃａｌｌｏｙｉｓｎｏｔｏｎｌｙｅｘｔｅｎｓｉｖｅｌｙｕｓｅｄａｓｄｉｅ ｃａｓｔｉｎｇａｌｌｏｙ ,ｈｏｔｐｌａｔｉｎｇａｎｄｓｐｒａｙｉｎｇａｌｌｏｙ ,ｂｕｔｏｂｔａｉｎｓｒｅｃｏｇｎｉｔｉｏｎｉｎｓｕｐｅｒｐｌａｓｔｉｃｓｈａｐｉｎｇａｎｄｓｕｐｅｒ ｐｌａｓｔｉｃｔｈｅｏｒｅｔｉｃａｌｒｅｓｅａｒｃｈｅｓｏｗｉｎｇｔｏｉｔｓｅｘ ｔｒａｏｒｄｉｎａｒｙｓｕｐｅｒｐｌａ…
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| 关 键 词： | 稀土 锌铝合金 超塑性 |
Effect of Rare Earth on Superplasticity of Zn-5Al Eutectic Alloy |
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| Shi Zhiqiang ,Ye Yifu ,Li Shichun ,Wang Huanrong ,Teng Xinying.Effect of Rare Earth on Superplasticity of Zn-5Al Eutectic Alloy[J].Journal of Rare Earths,2002,20(3):209-212. |
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| Authors: | Shi Zhiqiang Ye Yifu Li Shichun Wang Huanrong Teng Xinying |
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| Affiliation: | Shi Zhiqiang 1,2*,Ye Yifu 3,1,Li Shichun 2,Wang Huanrong 1,Teng Xinying 1 |
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| Abstract: | The superplastic deformation curves of Zn-5Al eutectic alloy containing small amount of rare earth were measured, and the influence of rare earth on structure and superplasticity characteristics of the alloy was examined with optical microscope, XDF and TEM. The results show that the elongation of Zn-5Al eutectic alloy can be increased if less than 0.2 %(mass fraction) misch-metal was added. Rare earth which exists in the form of compounds Al2CeZn2 and CeZn3 can refrain the dissolution and diffusion of Zn to Al and postpone the saturation of the diffusion-dissolution zone(DDZ) above 350 ℃, and in such a way boost up α/β interface sliding which benefits the superplasticity. |
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| Keywords: | rare earths Zn Al alloy superplasticity |
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