熊纯;江茫;徐进军;

• 1:空军航空维修技术学院航空机电设备维修学院

摘要(Abstract)：

通过力学性能测试和显微组织观察,分别研究人工时效、蠕变时效以及预拉伸蠕变时效热处理工艺对X2A66铝锂合金薄板力学性能和组织结构的影响。结果表明:与人工时效相比,蠕变时效过程改变了合金时效析出行为并恶化合金力学性能;但蠕变时效前进行预拉伸处理,能够在稍微降低伸长率的情况下显著提升合金屈服和抗拉强度。

关键词(KeyWords)： X2A66合金;蠕变时效;预拉伸;力学性能;显微组织

Abstract:

Keywords:

基金项目(Foundation): 湖南省教育厅科学研究项目(17C0013)

作者(Author): 熊纯;江茫;徐进军;

Email:

DOI: 10.14024/j.cnki.1004-244x.20181025.002

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