The application of magnesium alloy in the aerospace industry can effectively reduce the weight of aerospace vehicle,which can greatly save the dissipation of aviation fuel,and bring huge economic benefits.The aerospace industry has put forward strict requirements on the heat resistance of magnesium alloys.Mg-RE heat-resistant alloys have better performance and wider applications.Therefore,optimizing the strength and creep resistance under high temperature of magnesium alloys play an important role in the future development and application.The strengthening mechanism of Mg-RE heat-resistant magnesium alloys was reviewed.The role of different rare earth elements and the application examples of heat-resistant magnesium alloys in the aerospace industry were introduced.
关键词
耐热镁合金/稀土元素/高温强度/航空航天
Key words
heat-resistant magnesium alloys/rare earth element/high temperature strength/aerospace
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