李龙,吴忠亮,夏承东,薛喜丽,周德敬,郭新立

• 1:银邦金属复合材料股份有限公司江苏省金属层状复合材料重点试验室
• 2:东南大学材料科学与工程学院

摘要(Abstract)：

采用光学显微镜、扫描电镜、透射电镜、电导率测试和力学性能测试等方法研究了均匀化退火处理对高Mn含量AA3003改性合金的析出行为和显微组织的影响。结果表明:在均匀化退火升温阶段,析出相经历了形核、较高温度下长大及部分回溶过程,600℃保温阶段主要发生了析出相的长大粗化;均匀化退火升温速率越快,保温结束后析出相的尺寸越大,析出相数目越少。复合板钎焊前后的力学性能的变化是由于高Mn含量AA3003改性合金的析出强化和细晶强化共同作用的结果;均匀化退火升温速率对钎焊前复合板料的力学性能影响不大,但升温速率越快,晶粒尺寸越小,钎焊后的强度越高。

关键词(KeyWords)： 3003铝合金;均匀化;析出相;升温速率;钎焊

Abstract:

Keywords:

基金项目(Foundation): 江苏省科技成果转化专项资金项目(BA2015079);; 江苏省333人才资助项目(BRA2017096,BRA2017082);; 无锡市关键共性技术研发项目(CGE02G1732)

作者(Author): 李龙,吴忠亮,夏承东,薛喜丽,周德敬,郭新立

DOI: 10.13289/j.issn.1009-6264.2018-0206

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