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采用真空电弧离子镀工艺在H13钢表面制备Ti Al N/Cr Al N复合涂层,利用划痕试验仪、盘式摩擦磨损试验机、金相显微镜和努氏硬度计分析Ti Al N/Cr Al N膜层的结合力和摩擦学性能,金相组织形貌和试样表面的显微硬度。结果表明,Ti Al N/Cr Al N复合薄膜表面组织分布均匀,结合致密,涂层与基体间的结合力是影响涂层承载能力的主要因素之一,Ti Al N复合涂层的摩擦性能优于H13基体和Cr Al N复合涂层的摩擦性能,Ti Al N/Cr Al N复合涂层的结合力分别为35 N和24 N,沉积有Ti Al N涂层试样表面摩擦系数最小,减摩效果最好,耐磨性能优越,并能有效地抵抗摩擦磨损。
The TiAlN / CrAlN composite coating was prepared on the surface of H13 steel by vacuum arc ion plating process. The TiAlN / CrAlN coatings were analyzed by scratch tester, disk friction and wear tester, optical microscope and Knoop hardness tester N film bonding and tribological properties of the microstructure and morphology of the sample surface microhardness. The results show that the microstructure of the TiAlN / CrAlN composite film is uniform and dense, and the binding force between the coating and the matrix is one of the main factors that affect the bearing capacity of the coating. The tribological properties of the TiAlN composite coating are excellent The frictional properties of TiAl N / Cr Al N composite coating on the H13 matrix and the Cr Al N composite coating were 35 N and 24 N, respectively, and the surface friction coefficient of the Ti Al N coating deposited on the sample was the smallest The best friction effect, superior wear resistance, and can effectively resist friction and wear.