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Microstructure evolution of Al-4Cu-Mg alloy during semi-solid treatment
被引：0
作者：
Haitao Jiang Zhenli Mi Di Tang and Miaoquan Li National Engineering Research Center for Advanced Rolling Technology University of Science and Technology Beijing Beijing China School of Materials Science and Engineering Northwestern Polytechnical University Xian China
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,710072
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机构：
关键词：
Al-4Cu-Mg alloy;
semi-solid;
microstructure morphology;
evolution model;
D O I：
暂无
中图分类号：
TG249.9 [其他特种铸造];
学科分类号：
080201 ;
080503 ;
摘要：
The microstructure of a cold-deformed Al-4Cu-Mg alloy during semi-solid treatment was investigated, which shows that grain detachment and grain spheroidization processes during the semi-solid treatment are very important to control the fabricated semi-solid microstructures. For the two different processes, the driving force comes from the external heat source and the reduction in total interfacial area, respectively. The evolution models of microstructure morphology in the two processes were presented based on microstructure observations. It can be found that these models are useful to provide a reasonable estimated critical time of the evolution of microstructure during the semi-solid treatment.
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页码：151 / 156
页数：6
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