热处理工艺对6061铝合金硬度和导电率的影响Effect of heat treatment process on hardness and conductivity of 6061 aluminum alloy
菅晓君,张明山,王俊升
摘要(Abstract):
研究了热处理工艺对6061铝合金硬度和电导率的影响。结果表明:固溶处理过程中,随着固溶时间的增加,合金硬度先降低后升高,后又逐渐降低,随着固溶温度的增加,显微硬度值逐渐增大;时效过程中,硬度值随时效时间增加先升高后降低,电导率随时效时间增加逐渐升高并趋于稳定;6061铝合金最佳的热处理制度为540℃固溶4 h+173℃时效11 h,此时合金的硬度值为119.74 HV6,电导率为56%·IACS;对合金电导率影响最大的参数是固溶温度和时效时间,对硬度值影响最大的参数是时效时间。
关键词(KeyWords): 6061铝合金;热处理;电导率;微观组织;力学性能
基金项目(Foundation):
作者(Author): 菅晓君,张明山,王俊升
DOI: 10.13289/j.issn.1009-6264.2018-0283
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