从镬合金高温蠕变机理出发,评述了提高镁合金抗蠕变性能的主要途径和近年来国内外主要抗蠕变镁合金系列(Mg-Al系、Mg-Zn系、Mg-RE系)的研究进展.通过合金化在镁合金晶内和晶界处生成一些弥散分布、热稳定性高的沉淀强化相,可减少高温时镁合金的扩散蠕变和晶界滑动,是提高各系列锾合金抗蠕变性能的有效方法.
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