W6Mo5Cr4V2钢离子渗硫层与液体渗硫层的摩擦磨损性能对比

Comparison of tribological performance between ion sulfurized layer and liquid sulfurized layer of W6Mo5Cr4V2 steel

采用离子渗硫和液体渗硫技术分别在W6Mo5Cr4V2钢表面制备渗硫层,采用摩擦磨损试验、磨损表面形貌测量和EDS分析了两种渗硫层的摩擦磨损性能、磨痕形貌、磨损程度和渗层S含量的变化,并通过运转考核试验,从外观、尺寸检测和微观磨损形貌综合对比了离子渗硫件和液体渗硫件的稳定性和可靠性。结果表明,离子渗硫层的摩擦因数、寿命、磨痕最大深度、磨损面积和渗层中S含量等均等同或优于液体渗硫层。运转考核试验结果表明,离子渗硫和液体渗硫均可满足工件使用需要。

Tribological performance as wear properties, wear scar morphology, wear degree and S content change of sulfurized layer on the surface of the W6Mo5Cr4V2 steel prepared by ion sulfurization and liquid sulfurization were analyzed by means of friction and wear test, wear surface morphology measurement and EDS analysis, and the stability and reliability of ion sulfurized part and liquid sulfurized part were comprehensively compared by appearance, size detection and microscopic wear morphology through operation test. The results indicate the friction coefficient, service life, maximum depth and area of wear scar and sulfur content of ion sulfurized layer are all equal to or better than those of liquid sulfurized layer. The operation test results show that both ion sulfuration and liquid sulfuration can meet the performance needs of the products.