Abstract: In order to study the friction and wear characteristics of molybdenum disulfide (MoS₂) coatings on the surface of fusion reactor components, the (002) oriented MoS₂ coating was prepared on A286 substrate with thickness about 2μm by unipolar pulsed magnetron sputtering. The tribological properties of MoS₂ coating under different rotating speeds and loads in atmospheric environment were investigated by pin-on-disc tribo-tester. The research results show that the friction coefficient of the coating decreased with the increase of the test speed when fixed test load of 13N, and the relatively small average friction coefficient of 0.0722 was obtained at the rotation speed of 50rpm in the whole process. When fixed the rotation speed at 20rpm, the friction coefficient decreased firstly and then increased with the increase of test load. Detailed for the test load of 7N, the average friction coefficient of 0.0763 was obtained in whole test process. 

Key words: MoS2, Tribological properties, Load, Rotation speed 

摘要： 为获得二硫化钼(MoS₂)涂层在聚变堆部件表面使用条件下的摩擦磨损特性，采用单极性脉冲磁控溅 射技术在铁铬镍基高温合金 A286 上制备了厚度为 2μm 的 MoS₂涂层，并针对 MoS₂ 涂层在不同载荷及转速条件 下的摩擦学性能展开了研究。经验证，沉积的 MoS₂涂层结晶度较好，沿(002)面择优取向；随测试转速的增加， 摩擦系数逐渐减小，在转速为 50r^.min⁻¹ 时，摩擦系数平均值为 0.0722；在转速固定时，摩擦系数随测试载荷的增加先减小后增大，当载荷为 7N 时达到最小平均值 0.0763。

关键词: MoS2；摩擦性能；载荷；转速