【作者】 李祥明； 戴振东； 王琴； 范炯； 沈以赴； 朱自冰； 薛同博；

【Author】 Li Xiangming Dai Zhendong Wang Qin Fan Jiong Shen Yifu zhu zibin Xuc Tongbo

【机构】 南京航空航天大学机电工程学院； 航空工业总公司608所；

【摘要】 通过在金属陶瓷喷涂粉末中加入微量稀土,研究稀土对等离子涂层摩擦学特性的影响。试验结果表明:稀土使涂层更加致密,摩擦过程中表面温升降低,耐磨性提高,并且对偶试样的磨损量也大大降低;同时稀土还有助于在涂层表面保持一层连续的氧化膜,降低了摩擦副的摩擦系数。更多还原

【Abstract】 Effects of rare earth on tribological properties of plasma coatings are analyzed by adding a small amount rare earth in cermet powder to be sprayed. Results show that coatings within rare earth are more dense and the increment of temperature on surfaces within the rubbing process get lower, the anti-wear ability of coatings is improved, the wear volume of coupled sample get lower as well. At the same time rare earth help to keep a continuous oxide film on the surface of coatings, which reduce the friction efficient.更多还原