Application and Prospect of Magnesium Rare Earth Alloys Containing Neodymium
The rare earth element Nd is contributed to refine the grains of magnesium alloys,and the mechani-cal properties can be improved by solution strengthening and precipitation strengthening at room and high tem-perature.The research on the new type of Nd-containing magnesium alloys with high strength and low cost is in-creasing gradually.This article reviews the microstructure and mechanical properties of several Nd-containing magnesium alloy systems in detail.The type,structure and distribution of precipitates in different magnesium al-loys are systematically analyzed.The effects of precipitates on mechanical properties,corrosion resistance and creep resistance of alloys are discussed.The research status and application prospects of Nd in heat resistant magnesium alloys and biological magnesium alloys are also introduced.Finally,in view of the existing problems in the current research of Nd-containing magnesium alloy,some prospects and suggestions are proposed,in or-der to provide some reference for the further research of Nd-containing magnesium alloys.