ASTM G204-2010 评估相互接触的硬质表面在磨损条件下发生的损坏的标准试验方法

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【英文标准名称】:StandardTestMethodforDamagetoContactingSolidSurfacesunderFrettingConditions
【原文标准名称】:评估相互接触的硬质表面在磨损条件下发生的损坏的标准试验方法
【标准号】:ASTMG204-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:G02.40
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:fretting;frettingcorrosion;frettingwear
【摘要】:Frettingwearandcorrosionarepotentialserviceabilityfactorsinmanymachines.Theyhavealwaysbeenfactorsinshippingfinishedgoodsbytruckorrail.Packingmaterialsrubbingonaproductintransitcanmaketheproductunsalable.Beveragecansandfoodcanscanlosetheirtradedressandconsumersoftenequatecontainerdamagetocontentdamage.Clampingsurfacesoninjectionmoldsaredamagedbyfrettingmotionsonclamping.Thisdamageisasignificantcauseformoldreplacement.Machinesinshipmentaresubjecttofrettingdamageintherealareaofcontactofthebearingsonthemachines.Operatingvibrationandmovementofmechanicallyclampedcomponents,likescrewedassemblies,canproducedamageontheclampedfacesandotherfacesthataffectsmachinefunctionoruse.Manytimesfrettingdamageappearsintheformofpits,whicharestressconcentratorsthatcanleadtomechanicalfractures.Electricalcontactsinanydevicethatissubjecttovibrationaresusceptibletofailure(opencircuit)duetofrettingdamageatrealareasofcontact.Thistestmethodisintendedtobeusedtoidentifymatingcouplesthatmaybelesspronetofrettingdamagethanothers.Thisinformationinturnisusedtoselectmaterialsofconstructionorsurfacetreatmentsthatarelesspronetofrettingdamageforapplicationswherefrettingconditionsareknownorperceivedtoexist.1.1Thistestmethodcoversthestudyingorrankingthesusceptibilityofcandidatematerialstofrettingcorrosionorfrettingwearforthepurposesofmaterialselectionforapplicationswherefrettingcorrosionorfrettingwearcanlimitserviceability.1.2Thistestmethodusesatribologicalbenchtestapparatuswithamechanismordevicethatwillproducethenecessaryrelativemotionbetweenacontactinghemisphericalriderandaflatcounterface.Theriderispressedagainsttheflatcounterfacewithaloadingmass.nbsp;nbsp;nbsp;Thetestmethodisintendedforuseinroomtemperatureair,butfutureeditionscouldincludefrettinginthepresenceoflubricantsorotherenvironments.1.3Thepurposeofthistestmethodistorubtwosolidsurfacestogetherundercontrolledfrettingconditionsandtoquantifythedamagetobothsurfacesinunitsofvolumelossforthetestmethod.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:J21
【国际标准分类号】:21_260
【页数】:5P.;A4
【正文语种】:英语