固溶处理对7B04铝合金组织和性能的影响Effect of solution treatment on microstructure and properties of 7B04 aluminum alloy
蹇海根,姜锋,官迪凯,张茜
摘要(Abstract):
通过显微组织观察、拉伸力学性能测试、XRD衍射物相分析以及α(Al)基体点阵常数的测量等方法研究了固溶处理对7B04铝合金组织和性能的影响。结果表明:在410~470℃范围,随固溶温度升高和时间延长,由于粗大的平衡相逐渐回溶,合金的强度逐渐升高;进一步提高固溶温度或延长固溶时间,合金强度逐步降低。7B04铝合金的优选固溶处理制度为470℃×60min。
关键词(KeyWords): 7B04铝合金;固溶处理;组织与性能;点阵常数
基金项目(Foundation): 民口配套工程技术研究基金资助项目(05-302-3);; 国际科技合作重点项目(2006DFA53240)
作者(Author): 蹇海根,姜锋,官迪凯,张茜
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