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含碳化钨硬相镍基涂层耐磨粒磨损性能研究Title:StudyonWearResistanceofCarbideTungstenHardPhaseNickel-basedCoatingsunderAbrasiveParticleAbrasionAbstract:Nickel-basedcoatingsreinforcedwithcarbidetungstenhardphasehavebeenwidelyusedinvariousindustriesduetotheirexcellentwearresistance.However,thewearresistanceofthesecoatingsunderabrasiveparticleabrasionhasnotbeenfullyinvestigated.Inthisstudy,thewearresistanceofcarbidetungstenhardphasenickel-basedcoatingsunderabrasiveparticleabrasionwassystematicallyinvestigatedbyaseriesofweartests.Theresultsshowthatthecarbidetungstenhardphasenickel-basedcoatingsexhibitexcellentwearresistanceunderabrasiveparticleabrasion,andthewearresistanceperformanceisaffectedbyseveralfactors,suchasparticlesize,load,andvelocity.Introduction:Withtherapiddevelopmentofindustry,variousmachineryandequipmentarewidelyusedindifferentfields,andtheissueofwearandtearhasbecomemoreandmoreprominent.Nickel-basedcoatingsreinforcedwithcarbidetungstenhardphasehaveemergedasapromisingtechnologyforenhancingthewearresistanceofvariousmaterials.Thecarbidetungstenhardphasenickel-basedcoatingshavesuperiormechanicalproperties,includingexcellenthardness,toughness,andwearresistance,makingthemidealforuseinharshenvironments.However,theeffectsofabrasiveparticleabrasiononthewearresistanceofthesecoatingshavenotbeenfullyinvestigated.Thus,thisstudyaimstoinvestigatethewearresistanceofcarbidetungstenhardphasenickel-based
1coatingsunderabrasiveparticleabrasionandexplorethefactorsaffectingthewearresistanceperformance.Experimentalmethod:Thecarbidetungstenhardphasenickel-basedcoatingswerepreparedbythermalsprayingtechnology,andthemicrostructureofthecoatingswasobservedbyscanningelectronmicroscopy.Theweartestswereconductedbyareciprocatingweartester,andtheabrasiveparticlesusedweresiliconcarbideparticleswithdifferentsizes(80#,120#,and220#).Thetestconditionswerevariedintermsofload,velocity,andduration.Resultsanddiscussion:Theexperimentalresultsshowthatthecarbidetungstenhardphasenickel-basedcoatingshaveexcellentwearresistanceunderabrasiveparticleabrasion.Thecoatingsexhibitalowwearrateandhighwearresistance.Thewearratedecreaseswiththeincreaseoftheparticlesizeduetothelargerparticleshavinglowerabrasionenergy.Thewearratealsoincreaseswiththeincreaseoftheloadandvelocity,whichisattributedtotheincreasedcontactstressandfrictionalforcebetweentheparticlesandthecoatings.Itisfoundthatthewearresistanceofthecoatingsisimprovedwithincreasedduration.Thismaybeduetotheformationofaprotectiveoxidefilmonthesurfaceofthecoatingsovertime,whichcaneffectivelyreducetheabrasivewear.Conclusion:Thewearresistanceofcarbidetungstenhardphasenickel-basedcoatingsunderabrasiveparticleabrasionwasstudiedinthispaper.Theresultsshowthatthecarbidetungstenhardphasenickel-based
2coatingsexhibitexcellentwearresistanceunderabrasiveparticleabrasion.Thewearresistanceperformanceofthecoatingsisaffectedbyseveralfactors,includingparticlesize,load,velocity,andduration.Thefindingsofthisstudyprovideatheoreticalbasisfortheapplicationofcarbidetungstenhardphasenickel-basedcoatingsinharshenvironmentswithabrasivewearconditions.Inaddition,themicrostructureofthecoatingsaffectstheirwearresistanceperformance.Thecarbidetungstenhardphaseinthecoatingscaneffectivelyreducethedeformationandwearofthecoatingsunderabrasiveparticleabrasion.Thebondingstrengthbetweenthecoatingsandthesubstratealsoplaysacriticalroleinthewearresistanceofthecoatings.Astrongbondinginterfacecanensurethecoatingsremainstableandintactunderabrasiveparticleabrasion.Furthermore,itisimportanttonotethatthepropertiesoftheabrasiveparticlesalsoaffectthewearresistanceofthecoatings.Differenttypesofabrasiveparticlesmayhavedifferentcuttingabilityandwearmechanisms,therebyimpactingthewearbehaviorofthecoatings.Therefore,itisessentialtochoosesuitableabrasiveparticlesbasedonthespecificworkingconditions.Insummary,thewearresistanceofcarbidetungstenhardphasenickel-basedcoatingsunderabrasiveparticleabrasionwassystematicallyinvestigatedinthisstudy.Theresultsrevealthatthesecoatingshaveexcellentwearresistance,andtheirwearresistanceperformanceisaffectedbyvariousfactors.Thefindingsofthisstudyprovidevaluableinsightsforthedesignandapplicationofcarbidetungstenhardphasenickel-basedcoatingstoimprovethewearresistanceofmaterialsinharshenvironments
3withabrasivewearconditions.Furtherresearchisneededtooptimizethecoatingstructureanddevelopbettercoatingformulationsforspecificapplications.Additionally,theoperatingconditionsoftheequipmentandtheenvironmentalfactors,includingtemperatureandhumidity,alsoimpactthewearresistanceperformanceofthecoatings.Hightemperaturesmaycausethecoatingstooxidize,leadingtochippingorflaking.Ontheotherhand,highhumiditymaypromotecorrosioninthecoatings,leadingtoareductionintheirwearresistance.Moreover,thethicknessofthecoatingsalsoaffectstheirwearresistance,withthickercoatingsgenerallyprovidingbetterprotectionagainstwear.However,excessivecoatingthicknessmaycreatestressconcentration,leadingtodelaminationandreducedwearresistance.Therefore,itisimportanttofindanoptimalcoatingthicknessthatbalanceswearresistanceandadhesionstrength.Finally,thecoatingdepositionmethodisalsoacriticalfactoraffectingthewearresistanceofthecoatings.Differentdepositionmethods,suchasplasmasprayingandelectro-sparkdeposition,canproducecoatingswithvaryingmicrostructuresandproperties,leadingtodifferencesinwearresistanceperformance.Inconclusion,thewearresistanceofcarbidetungstenhardphasenickel-basedcoatingsunderabrasiveparticleabrasionisaffectedbyvariousfactors,includingthemicrostructureofthecoatings,bondingstrength,abrasiveparticleproperties,operatingconditions,coatingthickness,anddepositionmethod.Thedevelopmentofadvancedcarbidetungstenhardphasenickel-based
4coatingsthatcanwithstandseverewearenvironmentswillrequireacomprehensiveunderstandingofthesefactorsandtheirinteractions.Thisknowledgecanalsobeappliedtoothermaterialsystemdevelopmentsanddevelopmentsinsurfaceengineering.Furthermore,optimizationofthecarbidetungstenhardphasenickel-basedcoatingscanbeachievedthroughtheuseofadditives,suchasrareearthelementsornanoscalereinforcements,whichcanenhancethewearresistancebyimprovingthebondingstrength,reducingporosity,andincreasingthehardnessofthecoating.Theseadditivescanalsomodifythemicrostructureofthecoatings,leadingtosuperiorwearperformance.Surfacetreatments,suchasshotpeening,canalsobeusedtoimprovethewearresistanceofthecoatingsbyinducingcompressiveresidualstressesinthesurfacelayer.Thiscanpreventcrackinitiationandpropagation,leadingtoimprovedwearperformance.Inaddition,designingcoatingswithamultilayer,gradedcompositioncanprovideenhancedwearresistanceperformanceundersevereoperatingconditions,suchashightemperatureandcorrosiveenvironments.Theuseofsuchcoatingscanminimizethepotentialflawsanddefectswhileimprovingtheadhesionstrengthbetweenthecoatingsandthesubstrate.Overall,theunderstandingofthekeyfactorsaffectingthewearresistanceofcarbidetungstenhardphasenickel-basedcoatingshascontributedtothedevelopmentofnewandadvancedcoatingsthatcanwithstandsevereabrasiveparticleabrasion.Continuedresearch,includingthedevelopmentofnewmaterialsand
5depositiontechniques,willleadtofurtherenhancementsinthewearresistanceperformanceofthesecoatings,contributingtolongevityandperformanceoftheequipment.AsanAIlanguagemodel,Idonothavepersonalbeliefsoropinions.However,Icanprovideyouwithfactualinformationandinsightsonthetopicyouareinterestedin.Pleaseletmeknowifyouhaveanyspecificquestionsorrequests,andIwilldomybesttoassistyou.
