简介：Overbased润滑剂detergents是在润滑油的重要部件。最近，关于合成机制，胶体的结构，酸中立化和overbaseddetergents的antifiriction性质的很多报纸与试验性的技术的发展被出版了，它能更好帮助我们理解准备的进程和overbaseddetergents的申请并且提出为改进overbaseddetergents的各种各样的表演的新策略。以后，用可被细菌破坏的蔬菜油净化的环境地友好、多功能的润滑剂的合成将作为原料是为净化的industry.This纸主要论述的胶体的润滑剂的一个主要目的而不是矿物质油在胶体的润滑剂detergents的调查的最近的进展。

简介：USConocoPhillipsannouncedthatitwillenterChineselubricantoilmarket,thehigh-endmarket.ItwillbecomeoneofafewoilcompaniesprovidingaboveAPIqualityproducts.AseriesoftheirlubricantoilhasappliedhydrocrackingtechnologyandobtainedAPIcertificate.

简介：Metalworkingfluidsaretheportionofabigfamilyoflubricants.Metalworkingfluidshavebeenwidelyusedforcuttingthemetalandthemostcommunalcategoryofthesesfluidsarewatermixingfluids.Inthisarticle,themethodsoflubricationusingduringvariousoperationsofmachiningispresentingandalsorepresentthevariousbenefitsofthesefunctionalfluidsinmachiningwithrespecttosurfacefinish,cuttingforce,temperatureatthezoneofcutting.Thedisadvantagesandperformanceofvariousmethodsarediscussedintermsofoutputvariablesandparametersofmachining.Fromthevariousliteratures,itcanbereportedthatfluidsofcuttingwhicharemadebytheoilofvegetable,couldbeeco-friendlyinmachiningmodewithsameinperformanceachievedafterusingthemetalworkingfluidwhicharebasedonmineraloil.Thevariouslubricationmethodsaregoingtobefinishedbecauseoflesscoolingrate.

简介：Theobjectiveofthisresearchistopreparespeciallydesignedsurfacetextureonhardsteelsurfacebyelectrochemicalmicromachining(EM)andtoincorporateelectrolessplatedAg/MoS2solidlubricantcoatingintothedimplesofEMtexturedsteelsurfacetoeffectivelyreducefrictionandwearofsteel-steelcontacts.ThefrictionandwearbehavioroftheAg/MoS2solidlubricantcoatingonEMtexturedsteelsurfacewasevaluatedinrelationtothesizeandspacingofthedimplesthereon.Themicrostructur...

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.

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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)。

简介：Apilotwiredrawingmachineaswellaswireend-pointingrollerwasdeveloped.Usingthesemachines,awiredrawingtestforfourdifferentcoatingmaterialsandtwodifferentlubricantswasperformedasthereductionratioincreasedfrom10%to30%.Materialsusedforasubstrateinthisstudyareplaincarbonsteel(AISI1045)andultralowcarbonbainitesteel.Tocomputethefrictioncoefficientbetweenthecoatinglayerofwireandthesurfaceofdieforaspecificlubricant,aseriesoffiniteelementanalyseswerecarriedout.SEMobservationswerealsoconductedtoinvestigatethesurfacedefectsofwiredeformed.Resultsshowthatthebehaviorofdrawingforcevarieswiththelubricant-typeattheinitialstageofdrawing.Thepowder-typedlubricantwithalargeparticlecausestheretardationoffulllubricationontheentirecontactsurfaceandthelocaldelaminationofcoatinglayeronthewiresurface.Astheflowstressofasubstrateincreases,thedelaminationbecomessevere.

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简介：TheslidingfrictionandwearbehaviorsofMg–11Y–5Gd–2Zn–0.5Zr(wt%)alloywereinvestigatedunderoillubricantconditionbypin-on-diskconfigurationwithaconstantslidingdistanceof1,000minthetemperaturerangeof25–200°C.Resultsindicatethatthevolumetricwearratesandaveragefrictioncoefficientsdecreasewiththeincreaseofslidingspeeds,andincreasewiththeincreaseoftesttemperaturebelow150°C.ThehardandthermallystableMg12(Y,Gd)Znphasewithlong-periodstackingorderstructureinthealloypresentssignificantwearresistance.Thewearmechanismbelow100°Cisabrasivewearasaresultofplasticextrusiondeformation.Thecorporateeffectsofsevereabrasive,oxidative,anddelaminatingwearresultinthetribologicalmechanismabove100°C.