7A52铝合金焊接接头高能喷丸前后的性能分析Properties of 7A52 aluminum alloy welded joint before and after high-energy shot peening
逯瑶;陈芙蓉;解瑞军;范文学;
摘要(Abstract)：
采用高能喷丸技术对7A52铝合金双丝焊焊接接头表面进行处理,利用XRD、TEM和显微硬度仪对材料表面纳米化处理后的样品进行分析。结果表明:经过20 min高能喷丸处理,焊接接头表层的晶粒细化至纳米级,晶粒尺寸细小均匀;母材有η相析出。
关键词(KeyWords)： 焊接接头;表面纳米化;铝合金;高能喷丸
基金项目(Foundation): 国家自然科学基金项目(50765003)
作者(Author): 逯瑶;陈芙蓉;解瑞军;范文学;
Email:
DOI: 10.14024/j.cnki.1004-244x.2010.02.023
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