介绍了铝-铜-镁系合金不同相区的析出特征,总结了微量银对不同相区的铝-铜-镁系合金组织和性能的影响.在不同的铜镁质量比的铝-铜-镁系合金中添加微量的银可以影响其时效过程,改变铝-铜-镁系合金常规析出相的结构,形成具有热稳定性更好的新析出相,从而提高合金强度和工作温度.
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