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中文摘要：
本文主要探讨了类金刚石（Diamond-like carbon,简称DLC）薄膜在几种空间常用的液体润滑剂如甲基氯苯基硅油（114#润滑油）、氟丙基氯苯基硅油（115#润滑油）、聚α-烯烃[PAO（201）润滑油]、全氟聚醚（Z-25润滑油）以及对应润滑脂KK-4、KK-5、KK-P（201）和601EF润滑下的摩擦学性能.结果表明：DLC薄膜与试验选用的油脂复合后表现出良好的协同效应.与DLC薄膜相比,其减摩性能得到不同程度的改善,摩擦系数降低2~6倍;其耐磨寿命提高了10多倍,起到了明显的延寿作用.
英文摘要：
DLC film was prepared by magnetron-sputtering.Lubricants used at space technology,i.e.chlorophenyl-butyl with methyl terminated silicon oil（code as 114# oil）,trifluorinated-butyl with methyl terminated silicon oil（code as 115# oil）,poly-α-olefin（code as PAO（201）oil）,perfluorinated polyether（code as PFPE oil）,and the related grease formulated by PTFE powders,code as KK-4 grease,KK-5 grease,KK-P（201）grease and 601EF grease were synthesized or prepared.Friction and wear properties of the DLC film as well as the DLC film coated with 114# oil,115# oil,PAO（201）oil PFPE oil or KK-4 grease,KK-5 grease,KK-P（201）grease and 601EF grease were investigated on a UMT-2MT tribo-meter.The worn surfaces of the film were observed by a Micro-XAM three-dimensional profilometer.It was found that the starting friction coefficient,steady friction coefficient and the wear life of DLC dry-film were about 0.26,0.12 and 600 m,respectively.The friction and wear properties of solid lubricating DLC film/oil or grease complex lubrication systems were much better than that of DLC dry-film.The friction coefficient reduced by about 2 to 6 times compared to that of DLC dry-film,and their wear life increused more than 10 time as compared to pure DLC film,exceeded 7560 m.The complex lubrication systems exhibit excellent friction and wear performance,and are potentional good lurbricating system for space industry.
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