稀土元素及杂质在铝锂合金中的作用研究现状与发展

ACTA AERONAUTICAET ASTRONAUTICA SINICA ›› 1998, Vol. 19 ›› Issue (2): 129-136.

STATUS AND DEVELOPMENT ON EFFECTS OF IMPURITIES AND RARE EARTH ELEMENTS IN Al Li ALLOYS

Meng Liang¹, Zheng Xiulin²

1. Department of Materials Science and Engineering, Zhejiang University, Hangzhou, 310027;2. College of Materials Science and Engineering, Northwestern Polytechnical University, Xi′an, 710072

Received:1997-08-11 Revised:1997-11-28 Online:1998-04-25 Published:1998-04-25

Abstract

Abstract:

The study status for the effects of impurities and rare earth elements in Al Li alloys has been surveyed. Particular attention has been paid to the mechanical properties in respect of different conditions and the mechanisms responsible for impurity induced embrittlement and rare earth microalloying. According to the presented investigations, some suggestions and viewpoints have been proposed to solve the noteworthy problem in the development and application of Al Li alloys.

Key words: Al Li alloy, impurities, rare earth addition, mechanical properties, microstructures

CLC Number:

Meng Liang;Zheng Xiulin. STATUS AND DEVELOPMENT ON EFFECTS OF IMPURITIES AND RARE EARTH ELEMENTS IN Al Li ALLOYS[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 1998, 19(2): 129-136.

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STATUS AND DEVELOPMENT ON EFFECTS OF IMPURITIES AND RARE EARTH ELEMENTS IN Al Li ALLOYS

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