铜含量对稀土铝合金组织和性能的影响

Effect of copper content on microstructure and mechanical properties of rare earth aluminum alloy

利用金相显微镜、扫描电镜、万能试验机和导电仪等分析测试了不同Cu添加量+0.2%混合稀土的8030铝合金的显微组织和性能。结果表明,随着Cu含量的增加,铝合金抗拉强度有所提高,电导率上升。

The microstructure and properties of 8030 aluminum alloy with different Cu ＋ 0.2% mixed rare earth were analyzed by optical microscope,scanning electron microscope,universal testing machine and electric conductivity meter.The results showed that the tensile strength and the electric conductivity improved with the Cu content increased.