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当前位置:首页 > 机械/制造/汽车 > 机械/模具设计 > 激光表面织构对不同材料干摩擦特性的影响
344Vol34No420147TribologyJuly2014王斌,常秋英*,齐烨100044-4512Cr..454512Cr.TH117.2A1004-0595201404-0408-06EffectofLaserSurfaceTextureontheTribologicalPropertiesofDifferentMaterialsunderDryFrictionWANGBinCHANGQiu-ying*QIYeBeijingJiaotongUniversitySchoolofMechanicalElectronicandControlEngineeringBeijing100044ChinaAbstractBlock-on-ringtribo-meterswereusedtoinvestigatethedryfrictionandwearbehaviorof45steeland12Crwithdifferentlasertexturesareadensity.Thewearwasmeasuredusingahighprecisionscaleandthemorphologiesofsurfaceswereexaminedusinga3Dprofilerandascanningelectronmicroscopy.Theresultsshowthatthewearoftextured45steelspecimenswassignificantlyreducedwithreferencetothatofuntexturedspecimens.Howeveradverseresultswereobtainedfor12Crsteel.For45steeltheweardecreasedwiththeincreaseoftexturesareadensitywithinacertainrangewhilethefrictioncoefficientwasindependentontheareadensityoflasersurfacetextures.Additionallyhighhardnessregionswasobtainedafterlasertexturedwhichimprovedthewearresistanceof45steelspecimens.Keywordslasersurfacetexturedryfrictionwearhardness80%1.2-7.8、9、、、、、、10.1112W9Cr4V.13.Received23October2013revised16January2014accepted14February2014availableonline28July2014.*Correspondingauthor.E-mailqychang@bjtu.edu.cnTel+86-13651210109.TheprojectwassupportedbytheNationalNaturalScienceFoundationofChina51075026andtheFundmentalResearchFundsfortheCentralUniversities2012JBM089.510750262012JJBM089.14.-.11.1、40mm×10mm9mm×10mm×15mm4512Cr.HRU-150AT1.LM-YLP-20F-ⅡSp6.6%、9.1%13.7%120μm..1HRCTable1HardnessofdifferentmatchingpairsbeforelaserprocessingHRCTribo-pairRingBlock45steel/45steel40±256±112Cr/12Cr52±262±1.4512CrHRC37±2HRC42±27.5%19.2%HRC64±2HRC73±260.0%40.3%.45500μm120μm12Cr500μm80μm.1a45Sp=6.6%SEMaAnindividualdimplebArrangementofdimplesFig.1SEMmicrographsoftexturedsurfacebeforetestSp=6.6%1Sp=6.6%SEM.1bSp6.6%、9.1%13.7%.1.2M-20002.100N200r/min1h3.0.1mgSEM.22.129044aPrinciplediagrambThecontactofringandblockFig.2M-2000frictionandweartester2M-20004512Cr8.5mg..2.32Table2TheaveragewearofringsmgDensity45steel12CrSp=0%110.07.7Sp=6.6%56.914.1Sp=9.1%44.012.1Sp=13.7%33.211.73Table3TheaveragewearofblocksmgDensity45steel12CrSp=0%16.710.2Sp=6.6%11.911.1Sp=9.1%13.411.1Sp=13.7%15.511.512Cr11mg1mg45...12Cr.45.2.2301434a45steel/45steelduration1hb12Cr/12Crduration1hFig.3Frictioncoefficientfordifferentlasertextureddensity345、0.6.3b114412Cr0.754512Cr.2.3451h12Cr45Sp=13.7%.4a12Cr4baNotexturedbSp=13.7%Fig.4SEMmicrographsofwearscarof12Crrings412CraNotexturedbSp=13.7%Fig.5SEMmicrographsofwearscarsof45steelrings545.455.3a..b.4512Cr.21434c..d..e..1WenSZ.PrinciplesoftribologyM.BeijingHigherEducationPress1990inchinese.M.1990.2SuhMSChaeYH.Effectofgeometricalparametersinmicro-groovedcrosshatchpatternunderlubricatedslidingfrictionJ.TribologyInternational2010431508-1517.3RYKKligermanGEtsionIetal.Experimentalinvestigationofpartiallasersurfacetexturingforpiston-ringfrictionreductionJ.TribologyTransactions200548583-588.4ManelRodriguezRipollRokSimic.Frictionandlifetimeoflasersurface-texturedandMoS2-coatedTi6Al4VunderdryreciprocatingslidingJ.TribologyLetters201351261-271.5SeguDZKimJH.ApplicationoftaguchitechniquestostudyfrictionandwearpropertiesofMoS2coatingsdepositedonlasertexturedsurfaceJ.SurfaceandCoatingsTechnology2013232504-514.6RapoportLMoshkovichA.FrictionandwearofMoS2filmsonlasertexturedsteelsurfaceJ.SurfaceandCoatingsTechnology20082023332-3340.7RapoportLMoshkovichA.Wearlifeandadhesionofsolidlubricantfilmsonlaser-texturedsteelsurfaceJ.Wear20092671203-1207.8XiaoLWangKK.Improvingtheanti-seizureabilityofSiCsealinwaterwithRIEtexturingJ.TribologyLetters2003144275-280.9UeharaYWakudaM.TribologicalpropertiesofdimpledsiliconnitrideunderoillubricationJ.JournaloftheEuropeanCeramicSociety200424369-373.10EtsionI.StateoftheartinlasersurfacetexturingJ.JournalofTribology2005127248-253.11YangCJ.Experimentalresearchonslidinganti-wearabilityofthebionicnon-smoothsurfaceandnumericalsimulationD.ChangchunJilinuniversity2005inChinese.D.2005.12YangZJHanZWRenLQ.Frictionandwearbehaviorofbionicnon-smoothsurfacesathightemperatureJ.Tribology2005254374-378inChinese.J.2005254374-378.13SongQFZhouHLiYetal.Frictionandwearpropertiesofcast-ironmaterialwithbionicnon-smoothsurfaceundernormaltemperatureJ.Tribology200626124-26inChinese.J.200626124-26.14HuTCHuLTDingQ.Tribologicalpropertiesoflasertexturedsurfacesof45steelunderdryfrictionJ.Tribology201030146-52inChinese.45#J.201030146-52.3144
本文标题:激光表面织构对不同材料干摩擦特性的影响
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