李全安,李克杰,张清

• 1:河南科技大学材料科学与工程学院
• 2:台州职业技术学院机电系

摘要(Abstract)：

通过组织观察、拉伸试验和断口分析,研究了Mg-12Gd-2Y-(0,0.5,1.0,1.5)Sm-0.5Zr合金的显微组织和20～300℃下的力学性能。结果表明,随着Sm含量的增加,合金晶粒细化,屈服强度及高温抗拉强度显著提高。同时,随着温度的升高,合金的抗拉强度具有反常的温度效应。

关键词(KeyWords)： 镁合金;Sm;组织;力学性能

Abstract:

Keywords:

基金项目(Foundation): 国家自然基金面上项目(51171059);; 河南省杰出人才计划项目(084200510018);; 河南省基础与前沿技术研究计划项目(102300410018)

作者(Author): 李全安,李克杰,张清

DOI: 10.13289/j.issn.1009-6264.2011.12.017

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