研究了Mg 2Zn Mn-0.5Nd镁合金不同挤压温度对其制品组织和性能的影响及作用机理.结果显示:挤压温度从340℃提高到420℃时,合金的室温伸长率可从14％左右提高到26％以上,伴随强度明显下降.挤压温度从340℃降低到260℃时,合金的伸长率也提升到19％,而强度减弱不明显.分析表明:合金的晶粒尺寸和织构强弱等因素,共同决定该合金挤压制品的室温力学性能.
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