在空气和真空(10-5Pa)条件下对TC4合金进行了系统的磨损性能测试,研究了载荷和滑动速度对TC4合金磨损率的影响.对TC4合金磨损后的表面层进行了显微组织分析.试验结果表明,空气磨损后表面层的显微组织在较低滑动速度下呈现位错的滑移带,在较高滑动速度下出现显微裂纹.真空磨损后表面层的显微组织发生细化并具有50 nm～100 nm尺寸,显微组织中呈现大量的位错,在较高滑动速度下有孪晶出现.
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