朱志云,张雪辉,陈慧玲,陈一胜,刘位江,刘政

• 1:江西理工大学材料科学与工程学院
• 2:江西理工大学机电工程学院

摘要(Abstract)：

以7249高强铝合金为研究对象,通过OM、晶间腐蚀及剥落腐蚀测定等测试手段,分析探讨了稀土Ce添加量对7249铝合金晶间腐蚀及剥落腐蚀性能的影响。结果表明:当稀土的添加量为0.03 mass%时,试样的晶间腐蚀最大深度仅为31.22μm,较未添加稀土时减小了30%左右;同时剥蚀等级由EC级提升为EA-级,7249铝合金的耐晶间腐蚀及剥落腐蚀性能在添加稀土适量Ce后均得以明显提高。

关键词(KeyWords)： 7249铝合金;稀土Ce;晶间腐蚀;剥落腐蚀

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(51361012)

作者(Author): 朱志云,张雪辉,陈慧玲,陈一胜,刘位江,刘政

DOI: 10.13289/j.issn.1009-6264.2014.09.015

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