| Effect of Rare Earth Metals on Microstructure of Directional Solidified Al－3Li Alloy |
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| 引用本文： | 王立民,党平,杜富英,赵敏寿.Effect of Rare Earth Metals on Microstructure of Directional Solidified Al－3Li Alloy[J].中国稀土学报(英文版),1994(3). |
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| 作者姓名： | 王立民 党平 杜富英 赵敏寿 |
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| 作者单位： | Changchun institute of Applied Chemistry，Academia Sinica，Changchun 130022，China |
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| 摘 要： | ＥｆｆｅｃｔｏｆＲａｒｅＥａｒｔｈＭｅｔａｌｓｏｎＭｉｃｒｏｓｔｒｕｃｔｕｒｅｏｆＤｉｒｅｃｔｉｏｎａｌＳｏｌｉｄｉｆｉｅｄＡｌ－３ＬｉＡｌｌｏｙ￥ＷａｎｇＬｉ－Ｍｉｎ；ＤａｎｇＰｉｎｇ；ＤｕＦｕ－Ｙｉｎｇ；ＺｈａｏＭｉｎ－Ｓｈｏｕ（Ｃｈａｎｇｃｈｕ...
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Effect of Rare Earth Metals on Microstructure of Directional Solidified Al-3Li Alloy |
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| Wang Li-Min, Dang Ping, Du Fu-Ying,Zhao Min-Shou.Effect of Rare Earth Metals on Microstructure of Directional Solidified Al-3Li Alloy[J].Journal of Rare Earths,1994(3). |
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| Authors: | Wang Li-Min Dang Ping Du Fu-Ying Zhao Min-Shou |
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| Abstract: | The effect of rare earth metals (La, Ce, Pr, Nd, Mm and Ymm) on microstructure of directional solidified Al-3Li alloy has been studied. Results show that rare earth metals reduce the distance between primary longitudinal dendrites for Al-3Li alloy, which is related with species, content of rare earth metals and solidification rate of the alloy. RE is mainly segregated at grain boundaries. Constitutional supercooling formed in RE-rich regions during solidification is considered to be the main factor of modification of microstructure. |
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| Keywords: | Rare earths Al-Li alloy Microstructure |
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