Research progress on precipitated phase selection and stabilization strategy of heat-resistant cast aluminum alloys
The demand for heat-resistant aluminum alloy for high-power devices is increas-ing,and the heat-resistant cast aluminum alloy is still the most popular choice for application because of its proven large-sized product preparation process and clear microstructure evolu-tion.In this paper,the research status of precipitated phase selection and microstructure sta-bilization of heat-resistant cast aluminum alloy is reviewed,the main characteristics and con-struction theory of heat-resistant cast aluminum alloy are discussed,and the latest research results on high temperature performance of heat-resistant cast aluminum alloy are summa-rized,focusing on heat-resistant phase type,morphology and coarsing rate.Finally,the de-velopment trend of heat-resistant cast aluminum alloy is prospected.
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