Research Progress on Grain Refinement of Cast Magnesium Alloy
Author of the article:QIU Wei;YU Rongzhong;ZHOU Bing;CHEN Jian;REN Yanjie;Huang Weiying;LU Jing;LI Jie
Author's Workplace：School of Energy and Power Engineering,Changsha University of Science and Technology,Changsha 410114,China;Key Laboratory of Efficient&Clean Energy Utilization,The Education Department of Hunan Province,Changsha 410114,China;Hunan Rare Earth Metal Material Research Institute,Institute of Rare Earth Light Alloys,Changsha 410126,China
Key Words：mg alloy grain refinement refinement method mechanism
Abstract：
With the increasing demand for lightweight materials in the transportation and electronics industries,magnesium alloys are a good substitute for existing alloys.However,the lack of comprehensive mechanical properties of magnesium alloys greatly limits its application as structural components.Grain refinement,as one of the most important ways of alloy strengthening,has attracted much attention because it can improve both the strength and plasticity of the material.The progress of grain refining in magnesium alloy casting process is reviewed,and the refining mechanism,research status and existing problems of different process methods are systematically discussed,so as to provide some ideas and references for the further development of grain refining of magnesium alloy.
