简介:Self-lubricatingcoatingshavebeenwidelyusedtoreducefrictioninmovingmachineassemblies.However,thetribologicalperformanceofthesecoatingsisstronglydependentontheservicetemperature.Inthispaper,anextensivereviewpertainingtotheinfluenceofoperatingservicetemperatureontribologicalperformanceofself-lubricatingcoatingshasbeencarriedout.Basedontheeffectivelubricatingtemperaturerange,theself-lubricatingcoatingsdevelopedinthepasthavebeendividedintothreegroups:lowtemperaturelubricantcoating(from-200℃toroomtemperature),moderatetemperaturelubricantcoating(fromroomtemperatureto500℃)andhightemperaturelubricantcoating(〉500℃).Ideasconcerningpossiblewaystoextendtheoperatingtemperaturerangeofself-lubricatingcoatingshavebeenpresentedasfollows:hybridizedtribologicalcoating,adaptivetribologicalcoatings,anddiffusionratelimitedsolidlubricantcoating,inaddition,anewself-lubricatingcoatingformulationforpotentialapplicationatawideoperatingtemperaturerangehasbeenproposed.
简介:转变金属di-chalcogenidesMX2(X=S,Se,Te;并且M=W,瞬间,Nb,Ta)有的一个种稳固的润滑剂材料广泛地在工业被使用。如此的润滑剂涂层的润滑剂性质涂层的微观结构,取向,形态学,和作文依赖于不仅,而且在底层,在底层之间的接口和润滑剂涂层上,并且特定的申请环境。在这评论,这种润滑剂涂层的tribological性质上的参数的效果被总结。由比较那些涂层的优点和劣势,特殊处理象做那样,结构的调整并且处理以后被建议,试图在严重测试下面改进tribological表演调节(例如高温度,氧化空气或潮湿的状况)。