铬电极电火花熔涂层的干摩擦滑动磨损特性Dry Sliding Wear Characteristics of the Coating Electrosparkdeposited with Chromium Anode
赵会友,曲敬信,陈华辉,张祝伟,刘志伟
摘要(Abstract):
用环块磨损试验机对铬电极电火花放电熔涂层的干摩擦滑动磨损特性进行了研究。结果表明,轻载低速条件下,熔涂层的干摩擦滑动磨损机制以氧化磨损为主,与淬火低温回火态45钢相比,熔涂层的耐磨性是45钢的2~4倍;重载高速条件下,熔涂层的干摩擦滑动磨损机制比较复杂,存在磨料磨损,粘着磨损,剥层磨损等多种机制,熔涂层的耐磨性是45钢的15倍以上。
关键词(KeyWords): 干摩擦滑动磨损;电火花熔涂;铬;涂层
基金项目(Foundation): 国家自然科学基金资助项目(50075085)
作者(Author): 赵会友,曲敬信,陈华辉,张祝伟,刘志伟
参考文献(References):
- 1 陈钟燮.电火花表面强化工艺[M].北京:机械工业出版社,1987,226~237.
- 2 JohnsonRN,SheldonGL.Advancesintheelctrosparkdepositioncoatingprocess[J].JVacuumScienceandTechnology,1986,A4(6):2740~2747.
- 3 SheldonGL,ClarkRA.CharacteristicsofNi Tisurfacealloysformedbyelectrosparkdeposition[J].SurfaceandCoatingTechnology,1988,33:455~462.
- 4 SheldonGL.Gallingresistancesurfaceonstainlesssteelthroughelectrosparkalloying[J].TransofASMEJournalofTribology,1995,117(2):343~349.
- 5 赵会友,曲敬信.几种纯金属电极脉冲电火花放电熔涂强化[J].铸造,2000,49(S1):649~651.ZHAOHuiyou,QuJingxin.Pulseelectrosparkdischargingtougheningwithseveralpuremetals[J].Foundry,2000,49(S1):649~651.
- 6 王 铀,苏 梅,陈赤囡.法向载荷和滑动速度对GCr15钢的干滑动摩擦的影响[J].摩擦学学报,1993,13(3):263~267.WANGYou,SUMei,CHENChi nan.InfluenceofnormalloadandslidingspeedondryslidingfrictionofsteelGCr15[J].Tribology,1993,13(3):263~267.
- 7 邵荷生,曲敬信,许小棣,等.摩擦与磨损[M].北京:煤炭工业出版社,1992,191~192.
文章评论(Comment):
|
||||||||||||||||||
|
||||||||||||||||||