The fretting wear behaviors of sulfide nanoparticles and five kinds of common oil additives(T203,T322,T301,stearyl alcohol and stearic acid) in urea grease are studied.

• 考察了脲基脂中硫化铜纳米粒子添加剂与极压抗磨剂T203、T322、T301以及油性剂十八醇和十八酸共5种传统油品添加剂的微动磨损性能。