尹维,刘喜明

• 1:长春工业大学材料科学与工程学院

摘要(Abstract)：

对Mg-Mn-RE合金进行挤压和锻造变形处理,研究不同变形方式对其显微组织及力学性能的影响。结果表明:合金挤压变形过程中发生了动态再结晶,晶粒明显细化,挤压变形后硬度、抗拉强度、屈服强度和伸长率相对于铸态都有所提高,分别为68HV、254.9 MPa、190.5 MPa和26%;室温锻造变形后,晶粒扭曲变形,稀土化合物呈弥散均匀分布,硬度相对于挤压变形后有所提高,相对变形量为28%时,合金硬度为101 HV。

关键词(KeyWords)： Mg-Mn-RE合金;挤压;锻造;显微组织;力学性能

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 尹维,刘喜明

DOI: 10.13289/j.issn.1009-6264.2011.01.008

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