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基于SiC陶瓷在水润滑条件下可能出现因摩擦界面无水或过载引起的失效问题,考察了SiC陶瓷、碳化物衍生碳(CDC)涂层在干摩擦和水润滑条件下的摩擦磨损性能.研究结果表明:CDC涂层在干摩擦和水润滑条件下均具有优异的摩擦学性能,可在摩擦界面无水或过载下正常工作;在水润滑条件下,CDC涂层在宽的载荷和滑动速度下具有优异的摩擦学性能.从微结构角度分析比较了CDC涂层与商品石墨的差异,并由此讨论了其摩擦学性能的差异.讨论了加工SiC陶瓷引起的表面织构对CDC涂层在水润滑条件下摩擦学性能的影响机制.
The friction and wear properties of SiC ceramic and carbide-derived carbon (CDC) coatings under dry and water lubrication conditions were investigated based on the possible failure of SiC ceramics under water-lubricated conditions due to no or excessive friction at the frictional interface. The results show that the CDC coating has excellent tribological properties under both dry and water lubrication conditions and can work normally under water or overloaded friction interface. Under the condition of water lubrication, the CDC coating has good tribological properties under wide load and sliding speed Under the tribological properties.The microstructural differences between the CDC coating and the commercial graphite were analyzed and the differences in tribological properties were discussed.The effects of surface texture caused by the processing of SiC ceramics on the properties of the CDC coating Influence Mechanism of Tribological Properties Under Water Lubrication.