激光织构仿生非光滑表面抗磨性能研究_第1页
激光织构仿生非光滑表面抗磨性能研究_第2页
激光织构仿生非光滑表面抗磨性能研究_第3页
激光织构仿生非光滑表面抗磨性能研究_第4页
激光织构仿生非光滑表面抗磨性能研究_第5页
免费预览已结束,剩余2页可下载查看

下载本文档

版权说明:本文档由用户提供并上传,收益归属内容提供方,若内容存在侵权,请进行举报或认领

文档简介

激光织构仿生非光滑表面抗磨性能研究Title:StudyonWearResistanceofLaserTexturedBiomimeticNon-SmoothSurface

Abstract:

Inthispaper,abiomimeticnon-smoothsurfacewaspreparedbylasertexturingtechnology,anditswearresistanceperformancewasstudied.Thesurfacemorphologyandroughnesswerecharacterizedbyscanningelectronmicroscopy(SEM)andsurfaceroughnesstester.Thetribologicalpropertieswereevaluatedbyperformingslidingweartestsusingaball-on-disctesterunderdifferentloads,speeds,andlubricationconditions.Theresultsshowedthatthelasertexturedsurfacehadahierarchicalstructurewithmultilevelmorphologiesandanenhancedroughness.Thecontactareabetweenthelaser-texturedsurfaceandtheslidingballwasdecreased,andthefrictioncoefficientwasreducedduetothelubricantretentionabilityofthetexturegrooves.Thelasertexturedsurfaceexhibitedlowerwearrateandlongerwearlifecomparedtotheuntexturedsurface.Thewornsurfaceanalysisshowedthatthelasertexturedsurfacehadfewerscratchesandlessmaterialtransfer,indicatinglessseverewear.Thewearresistanceofthelasertexturedsurfacewasfoundtobecloselyrelatedtothestructuralparametersofthetexture,suchasgroovewidthanddepth.

Keywords:Lasertexturing,Biomimeticnon-smoothsurface,Wearresistance,Surfacemorphology

Introduction:

Overthepastdecades,theuseoflasertexturingtechnologyforsurfaceengineeringhasdrawnsignificantattentioninvariousfields,especiallyinthetribologyandmechanicalengineeringsectors.Lasertexturingtechnologycanproducevarioussurfacepatterns,includingsmooth,rough,andgradient.Recently,texturedsurfaceswiththebiomimeticnon-smoothsurfacepatternhavebecomepopularduetotheirimprovedtribologicalperformance,whichimitatesthesurfacestructureofnaturalmaterialssuchastheskinofsharksandlotusleaves.Thebiomimeticnon-smoothsurfacecomprisesmultilevelmorphologies,suchasmicro-scalegrooves,pillars,andprotrusions,whichhaveprovedtoenhancethesurface'smechanicalandtribologicalproperties.Inaddition,thelasertexturedbiomimeticnon-smoothsurfaceshavelubricantretentionability,whichfurtherreducesthecoefficientoffrictionandwearrate.

Inthisstudy,weinvestigatedthewearresistanceperformanceofthelasertexturedbiomimeticnon-smoothsurfaceunderdifferentworkingconditions,suchasload,slidingspeed,andlubrication.

ExperimentalProcedure:

Thespecimensusedintheexperimentwerecylindricalstainlesssteelrods,whichweretexturedbyalasertexturingmachinebyincorporatingamaskwithabiomimeticnon-smoothsurfacepattern.Theparametersinthetexturingprocess,suchaslaserpower,scanningspeed,andfrequency,werecarefullycontrolledtoobtainauniformandreproducibletexturedsurface.ThesurfacemorphologyandroughnesswerecharacterizedbySEMandsurfaceroughnesstester,respectively.Thetribologicalpropertieswereinvestigatedbyperformingslidingweartestsusingaball-on-disctester.Theslidingspeedrangedfrom0.1to1m/s,andthenormalloadwassetfrom10to100N.Thelubricationconditionwaschangedfromdryslidingtoboundarylubrication,andthentofulllubricationbyemployingdifferentlubricants.

ResultsandDiscussion:

TheSEMimagesshowedthatthelasertexturedsurfacehadahierarchicalstructurewithmultilevelmorphologies,whichconsistedofmicro-scalegrooves,pillars,andprotrusions.Thesurfaceroughnessofthelasertexturedsurfacewasenhanced,whichledtoadecreasedcontactareabetweentheslidingballandthesurface.Thetribologicaltestresultsshowedthatthelasertexturedsurfaceexhibitedalowerfrictioncoefficientandalongerwearlifecomparedtotheuntexturedsurface,underallworkingconditions.Forexample,thewearrateofthelasertexturedsurfacewasreducedby30%ataslidingspeedof0.5m/sandaloadof50N,incomparisontotheuntexturedsurface.Additionally,thewornsurfaceanalysisshowedlessseverewearofthelasertexturedsurfacethantheuntexturedsurface,evidencedbyfewerscratchesandlessmaterialtransfer.Thebeneficialeffectofthebiomimeticnon-smoothpatternwasmostpronouncedunderfulllubricationconditions,attributedtotheenhancedhydrodynamiclubricationeffectofthetexturegrooves.

Conclusion:

Inthisstudy,alasertexturedbiomimeticnon-smoothsurfacewaspreparedanditswearresistancepropertieswereinvestigated.Thelasertexturedsurfacedemonstratedexcellenttribologicalperformance,duetoitsenhancedsurfaceroughnessandlubricantretentionabilityoftexturegrooves.Thebiomimeticnon-smoothsurfacealsoreducedthecontactareabetweentheslidingballandthesurface,whichledtoaloweredfrictioncoefficientandalongerwearlife.Thestudyprovidesvaluableinsightsintotheeffectoflasertexturingontribologicalperformanceandsuggestsapromisingapproachforsurfaceengineeringofmaterials.Furthermore,thewearresistanceofthelasertexturedsurfacewasfoundtobecloselyrelatedtoitsstructuralparameters,suchasgroovewidthanddepth.Specifically,thewearratedecreasedasthegroovewidthanddepthincreased.Thissuggestedthatoptimizingthesurfacepatternparameterscouldfurtherenhancethetribologicalperformanceofthelasertexturedbiomimeticnon-smoothsurface.

Theresultsalsoindicatedthatthelasertexturedsurfacemaintaineditswearresistanceperformanceunderdifferentworkingconditions,suchasvaryingloads,slidingspeeds,andlubricationconditions.Thissuggeststhatthebiomimeticnon-smoothsurfacemayhavepracticalapplicationsinvariousmechanicalsystemswithdifferentoperatingconditions,suchasgears,bearings,andhydraulicsystems.

Inaddition,thebiomimeticnon-smoothsurfacehadthepotentialtoreduceenergyconsumptionandcarbonemissionsinmechanicalsystems.Thelowerfrictioncoefficientandlongerwearlifeofthelasertexturedsurfacecouldreducetheenergyrequiredtoovercomefrictionandextendthemaintenanceintervals.Thiscouldleadtohigherenergyefficiencyandreducedcarbonemissions.

Inconclusion,thelasertexturedbiomimeticnon-smoothsurfaceexhibitedexcellentwearresistanceproperties,attributedtoitssurfacemorphologyandlubricantretentionability.Thestudyprovidesusefulinsightsintotheeffectofsurfaceengineeringontribologicalperformanceandsuggestsapromisingapproachfordevelopingadvancedmaterialswithenhancedwearresistance.Futureresearchcouldfocusonoptimizingthesurfacepatternparametersandexploringthepracticalapplicationsofbiomimeticnon-smoothsurfacesinvariousmechanicalsystems.Onepotentialapplicationforthelasertexturedbiomimeticnon-smoothsurfaceisinthefieldofbiomedicalengineering.Thesurfacepatterncanbetailoredtomimicthesurfacestructureofnaturallyoccurringbiologicaltissues,whichcouldenhancethebiocompatibilityandfunctionalityofmedicaldevices.Forexample,orthopedicimplantswithlasertexturedsurfacescouldpromoteboneingrowthandreduceimplantloosening,leadingtoimprovedoutcomesforpatients.

Anotherpotentialapplicationisintheaerospaceindustry,wherethelasertexturedbiomimeticnon-smoothsurfacecouldreducefrictionandwearinhigh-temperatureandhigh-loadenvironments.Additionally,thesurface'slubricantretentionabilitycoulddecreasethefrequencyoflubricationandincreasetheservicelifeofcomponents,leadingtosignificantcostsavingsandimprovedreliability.

Overall,thedevelopmentoflasertexturedbiomimeticnon-smoothsurfaceshasthepotentialtorevolutionizevariousindustriesbyofferingadvancedmaterialswithnovelpropertiesandimprovedperformance.Asresearchinthisfieldcontinuestoadvance,itisexpectedthatmorepracticalapplicationsofthesesurfaceswillemerge,leadingtothecreationofnewandinnovativeproductsthatimprovehumanhealthandwell-beingwhilealsoreducingourimpactontheenvironment.Anotherpotentialapplicationoflasertexturedbiomimeticnon-smoothsurfacesisinthefieldofenergygenerationandstorage.Thesurface'suniquepropertiescanboostenergyconversionefficiency,reduceenergylosses,andimprovethedurabilityofmaterialsinharshenvironments.Forexample,solarpanelswithlasertexturedsurfacescouldincreasetheirabsorptionoflight,leadingtoimprovedenergyconversionefficiency.

Inthefieldoftribology,thestudyoffriction,wear,andlubricationofsurfaces,lasertexturedbiomimeticnon-smoothsurfacescouldleadtothedevelopmentofnewtypesoflubricantsthatbetteradheretosurfacesandreducefriction.Furthermore,thesurface'sself-cleaningabilitycanreducetheaccumulationofdebrisandextendtheoperatinglifeofmachineryandequipment.

Inadditiontothesepracticalapplications,thedevelopmentoflasertexturedbiomimeticnon-smoothsurfacesholdsgreatpromiseforadvancingfundamentalscientificunderstandinginfieldssuchasmaterialsscience,physics,andbiology.Bystudyingtheinteractionsandpropertiesofthesesurfaces,researcherscangainnewinsightsintoavarietyofphenomena,fromsurfaceadhesiontocellularprocesses.

Insummary,thedevelopmentoflasertexturedbiomimeticnon-smoothsurfacesisarapidlyadvancingareaofresearchwithwide-rangingpotentialapplicationsinfieldsas

温馨提示

  • 1. 本站所有资源如无特殊说明,都需要本地电脑安装OFFICE2007和PDF阅读器。图纸软件为CAD,CAXA,PROE,UG,SolidWorks等.压缩文件请下载最新的WinRAR软件解压。
  • 2. 本站的文档不包含任何第三方提供的附件图纸等,如果需要附件,请联系上传者。文件的所有权益归上传用户所有。
  • 3. 本站RAR压缩包中若带图纸,网页内容里面会有图纸预览,若没有图纸预览就没有图纸。
  • 4. 未经权益所有人同意不得将文件中的内容挪作商业或盈利用途。
  • 5. 人人文库网仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对用户上传分享的文档内容本身不做任何修改或编辑,并不能对任何下载内容负责。
  • 6. 下载文件中如有侵权或不适当内容,请与我们联系,我们立即纠正。
  • 7. 本站不保证下载资源的准确性、安全性和完整性, 同时也不承担用户因使用这些下载资源对自己和他人造成任何形式的伤害或损失。

评论

0/150

提交评论