Research progress on preparation technology of marine titanium alloy
Titanium alloy plays an irreplaceable role in ship,automobile,aviation and medical fields due to its excel-lent comprehensive performance,and titanium alloy casting has good corrosion resistance,which is the ideal material for shipbuilding.However,the application and development of titanium alloys are somewhat constrained by challen-ges such as high costs and complex smelting processes.The process principles,product characteristics and develop-ment status at home and abroad of five kinds of titanium alloy product preparation technologies,including vacuum arc remelting,electron beam cold hearth melting,plasma arc cold hearth melting,powder metallurgy and additive manufacturing,are reviewed.The numerical simulation results of various processes are summarized,and the future titanium alloy system in China is prospected,in order to provide reference for the optimization of titanium alloy product preparation process.
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