固溶时效工艺对ZA27合金组织和性能的影响Effect of solution and aging technology on microstructure and properties of ZA27 alloy
李红英,刘洋,胡继东,武岳
摘要(Abstract):
采用扫描电镜(SEM)、X射线衍射(XRD)和力学性能测试等手段研究了固溶处理对ZA27合金组织和性能的影响。在300~380℃范围,合金经不同温度固溶处理1 h,水淬后进行相同的时效(160℃×8 h)处理。分析了在不同温度固溶处理的淬火态和时效态合金的显微组织及力学性能。结果表明,在365℃固溶处理能够使溶质原子充分溶入基体,时效析出相数量多、尺寸小、分布均匀,时效强化效果最好。ZA27合金的优选固溶工艺为365℃×1 h。
关键词(KeyWords): ZA27合金;固溶温度;组织;性能;析出相
基金项目(Foundation): 湖南有色研究基金(2011-01-002)
作者(Author): 李红英,刘洋,胡继东,武岳
DOI: 10.13289/j.issn.1009-6264.2012.11.016
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