The sliding wear characteristics under boundary lubrication of the coating electrospark-deposited on 45 steel with Cr anode was studied with a ring-on-block tester.

• 用环块磨损试验机对铬电极电火花熔涂层及淬火低温回火态45%23钢的边界润滑滑动磨损特性进行了研究。