论述了国内外Mg-Zn系合金的研究和开发现状,分析了zr和稀土元素在Mg-Zn系合金中所起的作用以及对合金组织、性能及变形加工能力所产生的影响,总结了Mg-Zn-Re(-Zr)系合金中准晶相和G.P.区的形成、作用及特点.指出在Mg-Zn系合金中添加稀土元素合金化促进G.P.区的形成是研究开发高强韧性镁合金的一个重要发展方向.
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