高妍,陈文琳,郭震,王梁

• 1:合肥工业大学材料科学与工程学院

摘要(Abstract)：

采用慢应变速率拉伸试验、晶间腐蚀和剥落腐蚀试验、硬度和电导率测试、光学显微镜等分析方法,研究微量(0.15 mass%)稀土对7085铝合金(Al-7.5Zn-1.5Mg-1.4Cu-0.15Zr)强度和腐蚀性能的影响。结果表明,与未添加稀土的铝合金相比,添加微量(0.15 mass%)稀土使7085铝合金组织细化,时效后强度、硬度提高,电导率略有降低,抗晶间腐蚀、剥落腐蚀和应力腐蚀性能显著提高。

关键词(KeyWords)： 7085铝合金;稀土;晶间腐蚀;剥落腐蚀;应力腐蚀

Abstract:

Keywords:

基金项目(Foundation): 教育部科学技术研究重大项目点基金(311025)

作者(Author): 高妍,陈文琳,郭震,王梁

DOI: 10.13289/j.issn.1009-6264.2015.11.020

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