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对常规ZnAl2 7合金和经机械搅拌得到的半固态ZnAl2 7合金材料进行了挤压成形试验 ,分析了合金在挤压成形后得到的试件的金相组织。结果表明 ,半固态ZnAl2 7合金挤压成形件的组织极为均匀细小。
The conventional ZnAl 2 7 alloy and the semi-solid ZnAl 2 7 alloy obtained by mechanical stirring were tested by extrusion. The microstructure of the sample after extrusion was analyzed. The results show that the microstructure of the semi-solid ZnAl 2 7 alloy is extremely uniform and fine.