固溶处理对液态模锻6061铝合金显微组织的影响Effect of solid solution treatment on microstructure of liquid forging 6061 aluminum alloy
孙跃军,高艳静,崔泽文,于慧,苗舒奕
摘要(Abstract):
采用光学显微镜、扫描电镜、能谱分析以及定量金相法对液态模锻6061铝合金的微观组织以及固溶处理时第二相的变化规律进行了研究。结果表明:模锻态6061铝合金的微观组织呈树枝状分布,压力作用下晶粒没有产生明显变形。在固溶处理过程中,随着固溶温度的升高,第二相的溶解速率加快,残余第二相的面积逐渐减少。在一定的固溶温度下,残余第二相的面积与固溶时间呈指数型变化。根据企业生产的实际需要,液态模锻6061铝合金适宜的固溶工艺为560℃固溶处理5 h。
关键词(KeyWords): 液态模锻;6061铝合金;固溶处理;第二相粒子
基金项目(Foundation):
作者(Author): 孙跃军,高艳静,崔泽文,于慧,苗舒奕
DOI: 10.13289/j.issn.1009-6264.2017-0424
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