Removal Process of α-layer on Surface of Titanium Alloy Investment Castings
During the producing process of titanium alloy investment castings,the molten titanium alloy is easy to react with the shell,resulting in α-layer with high hardness and low toughness on the surface of castings,which has a nega-tive impact on the surface quality and mechanical properties of titanium alloy castings.The removal process of α-layer on the surface of ZTC4 titanium alloy castings was investigated in order to improve the surface quality and mechanical properties of ZTC4 titanium alloy castings,thus improving the quality of products.
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