热处理工艺对Al-Si-Mg合金组织和性能的影响
Effect of Heat Treatment Process on Microstructure and Property of Al-Si-Mg Alloy
谭 东, 刘昌明, 肖海波, 陈 佳
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作者单位：重庆大学 材料科学与工程学院, 重庆 400030
中文关键字：铝硅镁合金； 固溶； 时效； 硬度； 耐磨性
英文关键字：Al-Si-Mg alloy; solid solution treatment; aging treatment; hardness; wear resistance
中文摘要：研究了双级固溶和双级时效对Al-Si-Mg合金组织、硬度和耐磨性的影响。结果表明：经520 ℃固溶8 h，然后再经145 ℃预时效3.5 h和175 ℃终时效3.5 h热处理后的试样硬度高，耐磨性好。
英文摘要：The effects of heat treatment processes of two-stage solution and two-stage aging on microstructure, hardness and wear resistance of Al-Si-Mg alloy were studied. The results show that, solution treatment at 520 ℃for 8 h, then pre-aging at 145 ℃ for 3.5 h and end-aging at 175 ℃ for 3.5 h, the high hardness, good wear resistance of Al-Si-Mg alloy samples can be obtained.