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两种NiCrAlY涂层的室温摩擦磨损性能

, PP. 107-110

Keywords: CrNi3MoVA钢,NiCrAlY涂层,溅射,电火花沉积,摩擦磨损

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Abstract:

分别测试在CrNi3MoVA钢表面溅射NiCrAlY涂层和电火花沉积NiCrAlY涂层的室温摩擦磨损性能,研究了磨损机制.结果表明在稳定磨损阶段,两种涂层的摩擦系数均低于基体,其中电火花沉积层的摩擦系数最小,具有显著的减摩效果.溅射涂层的磨损机制主要是粘着磨损,而电火花沉积层的磨损机制主要是微切削磨料磨损.

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