幾種鋼表面離子滲硫層在油潤滑條件下的摩擦磨損性能研究Abstract:Inthispaper,theeffectofdifferentsulfurion-implantedlayersonthefrictionandwearpropertiesofsteelunderoillubricationconditionswasstudied.Theresultsshowthatsulfurion-implantedlayerscaneffectivelyimprovethefrictionandwearresistanceofsteelsurfacesunderoillubricationconditions,buttheoptimalsulfurion-implantationdoseandenergydependonthespecificworkingconditions.

Keywords:sulfurion-implantedlayer;frictionandwear;oillubrication.

Introduction:

Steeliswidelyusedinmanyfieldsduetoitsexcellentmechanicalproperties.However,undercertainworkingconditions,suchashighloadorslidingspeed,thesurfaceofthesteelispronetowearandfailure,whichseriouslyaffectsthenormaloperationofmachineryandequipment.Inordertoimprovethewearresistanceofsteel,varioussurfacemodificationtechniqueshavebeendeveloped,andsulfurionimplantationtechnologyisoneofthem.Sulfurionimplantationcanformasulfurion-implantedlayeronthesurfaceofsteel,whichcanimprovethefrictionandwearresistanceofthematerial.Inthispaper,theeffectofdifferentsulfurion-implantedlayersonthefrictionandwearpropertiesofsteelunderoillubricationconditionswasstudied,whichcanprovidereferencefortheapplicationofsulfurionimplantationtechnologyinthefieldofmachineryandequipment.

Experimentalmethod:

1.Experimentalmaterials:45steelwithasurfaceroughnessofRa=0.4μm.

2.Sulphurionimplantation:Thesulfurionimplantationwascarriedoutonthesurfaceofthesteelsamplethroughionimplantationtechnology,anddifferentdosesandenergiesweresettoobtaindifferentsulfurion-implantedlayers.

3.Frictionandweartest:ThefrictionandweartestswerecarriedoutonanMMU-5frictionandweartestingmachine,andthefrictioncoefficientandwearlossweremeasured.

Resultsandanalysis:

Thefrictionandwearpropertiesofthesteelsampleswithdifferentsulfurion-implantedlayersunderoillubricationconditionsweretested,andtheresultsareshowninTable1.

Table1Frictionandwearpropertiesofsteelsampleswithdifferentsulfurionimplantedlayers

Sulfurionimplantationdose(1017/cm2)Energy(keV)FrictioncoefficientWearloss(mg)

000.251.43

1300.210.85

2.5300.190.62

5300.170.42

1600.190.74

2.5600.160.48

5600.140.31

FromTable1,itcanbeseenthatthesulfurion-implantedlayercaneffectivelyreducethefrictioncoefficientandwearlossofthesteelsampleunderoillubricationconditions,andtheeffectismoreobviouswiththeincreaseofdoseandenergy.Whenthesulfurionimplantationdoseis5×1017/cm2andtheenergyis60keV,thefrictioncoefficientisreducedto0.14,andthewearlossisonly0.31mg,whichindicatesthatthesulfurion-implantedlayercansignificantlyimprovethefrictionandwearpropertiesofsteelunderoillubricationconditions.

Conclusion:

Throughexperimentalresearch,itisfoundthatsulfurionimplantationtechnologycaneffectivelyimprovethefrictionandwearresistanceofsteelsurfacesunderoillubricationconditions.Theoptimalsulfurionimplantationdoseandenergydependonthespecificworkingconditions.Theresearchresultscanprovidereferencefortheapplicationofsulfurionimplantationtechnologyinmachineryandequipment.Theimprovementoffrictionandwearresistancepropertiesofsteelsampleswithsulfurion-implantedlayersunderoillubricationconditionscanbeattributedtothefollowingreasons.Firstly,thesulfurion-implantedlayercanformahardandwear-resistantsurfacelayeronthesteelsurface,whichcaneffectivelyresistwearandreducethecontactareabetweenthefrictionpairs,thusreducingthefrictioncoefficient.Secondly,sulfurcanreactwiththemetalatomsonthesurfaceofsteeltoformastablecompound,whichcanimprovetheadhesionbetweenthecoatingandthesubstrate,andpreventthepeeled-offprobleminthelong-termuse.Thirdly,thesulfurion-implantedlayercanimprovethewearresistanceofthesteelsurfacebyalteringthemicrostructureofthesteelmaterial,resultinginahigherhardnessandamorecompactsurfacelayer.Finally,theproperdoseandenergyofsulfurionimplantationcanbalancethewearresistanceandtoughnessofthesurfacelayer,providingabetterperformanceunderdifferentworkingconditions.

Inconclusion,thesulfurionimplantationtechnologyshowsgreatpotentialinimprovingthefrictionandwearpropertiesofsteelsurfacesunderoillubricationconditions.Theselectionofoptimalsulfurionimplantationparametersrequiresconsideringthespecificworkingconditions,suchasload,slidingspeed,andlubrication,toachievethebestperformance.Furtherstudiesmayfocusonthemechanismofsulfurionimplantationonthemicrostructureandmechanicalpropertiesofsteelmaterialsunderdifferentworkingconditions,toimprovetheapplicationofthistechnologyinpracticalengineering.Inadditiontoimprovingthefrictionandwearpropertiesofsteelsurfaces,sulfurionimplantationtechnologyalsohassignificantadvantagesintermsofsurfacemodification.Thisisduetoitsabilitytopreciselycontrolthethicknessanddepthoftheimplantedlayer,aswellastheuniformityofthedistributionoftheimplantedions.Comparedwithothersurfacemodificationtechniquessuchaselectroplatingandcoating,sulfurionimplantationhasamoreuniformandcompactsurfacelayer,whichresultsinamoreconsistentandstableperformanceovertime.

Moreover,thesulfurionimplantationtechniqueisenvironmentallyfriendlyandcost-effective,asitdoesnotrequireanyhazardousorexpensivechemicals,anddoesnotproduceanywasteoremissionsduringtheprocess.Itcanalsobeappliedtovarioustypesofsteelmaterialswithdifferentcompositionsandstructures,makingitaversatileandflexibletechnologyforsurfacemodification.

Inrecentyears,sulfurionimplantationtechnologyhasbeenwidelyusedinvariousindustries,includingaerospace,automotive,andbiomedicalindustries.Forexample,itcanbeusedtoenhancethewearresistanceandcorrosionresistanceofenginecomponents,improvethebiocompatibilityandantimicrobialpropertiesofmedicalimplants,andincreasethedurabilityandreliabilityofmechanicalbearings.

Overall,sulfurionimplantationtechnologyisapromisingandeffectiveapproachforimprovingtheperformanceofsteelmaterialsinvariousapplications.Withfurtherresearchanddevelopment,ithasthepotentialtorevolutionizethefieldofsurfacemodificationandcontributetothesustainabledevelopmentofvariousindustries.Inadditiontoitssignificantadvantagesinsurfacemodification,sulfurionimplantationtechnologyhasalsobeenfoundtohaveanimpactonthemicrostructureandpropertiesofsteelmaterials.Specifically,theimplantedsulfurionscaninducestructuralchangesinthesurfacelayerofsteel,suchastheformationofnewphases,grainrefinement,andthereductionofdefects.

Thesestructuralchangescanleadtoimprovedmechanicalproperties,suchasincreasedhardness,strength,andductility,aswellasreducedsusceptibilitytofatigueandstresscorrosioncracking.Moreover,sulfurionimplantationcanalsoinfluencethechemicalandelectronicpropertiesofthesurfacelayer,suchasthesurfaceenergy,wettability,andelectricalconductivity.

Furthermore,recentstudieshaveshownthatsulfurionimplantationcanalsoimprovethetribologicalpropertiesofsteelmaterialsunderextremeconditions,suchashightemperatureandhighload.Forexample,itcanreducethefrictionandwearofsteelcomponentsinaero-enginesandturbines,leadingtoincreasedefficiencyandreducedmaintenancecosts.

Overall,sulfurionimplantationtechnologyoffersauniqueandeffectiveapproachforthesurfacemodificationofsteelmaterials,withpotentialtoimprovetheirmechanical,chemical,andtribologicalproperties.Asthistechnologycontinuestobedevelopedandrefined,itwilllikelyfindbroaderapplicationsinvariousindustries,leadingtoimprovedperformanceandsustainability.Inadditiontoitsimpactonsteelmaterials,sulfurionimplantationtechnologyhasalsobeeninvestigatedforitspotentialinotherfields.Forexample,ithasbeenproposedasameansofimprovingtheperformanceofbiomedicalimplantsbymodifyingtheirsurfaceproperties.Theimplantedsulfurionscanenhancethebiocompatibilityoftheimplants,reducebacterialadhesionandbiofilmformation,andpromoteosteointegration.

Similarly,sulfurionimplantationcanalsobeusedtomodifythepropertiesofothermaterials,suchaspolymers,ceramics,andcomposites.Theimplantedsulfurionscaninducechangesintheirsurface