论文部分内容阅读
γ－ＴｉＡｌ金属间化合物合金由于比强度、比刚度及高温力学性能优异，被誉为最有前途的新一代高温结构材料，耐磨性是其用作高温运动部件的性能之一。为提高γ－ＴｉＡｌ金属间化合物合金的耐磨性，本文分别采用氮气及预涂ＴｉＮ粉、碳粉、ＴｉＣ粉等方法对Ｔｉ－４８Ａｌ－?
γ-TiAl intermetallic compound alloy is honored as the most promising new generation of high-temperature structural materials due to its superior mechanical properties such as specific strength, specific stiffness and high temperature, and its wear resistance is one of the properties of γ-TiAl intermetallic compound used for high-temperature moving parts. In order to improve the wear resistance of γ-TiAl intermetallic compound alloys, Ti-48Al-?