Designation:F3015−13StandardTestMethodforAcceleratedLaboratoryRoadwheelGenerationofBeltSeparationinRadialPassengerCarandLightTruckTiresthroughLoadRangeE1ThisstandardisissuedunderthefixeddesignationF3015;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.INTRODUCTIONTheUnitedStatesCongresspassedtheTransportationRecallEnhancement,AccountabilityandDocumentation(TREAD)ActinNovember2000.IncludedintheActwerespecificdirectionstotheNationalHighwayTrafficSafetyAdministration(NHTSA)toupgradetiresafetystandards.Astirewearlifehasincreasedovertheyears,interestinthein-serviceagingofatire’sinternalcomponentshasincreased.ToquoteNHTSA,“...somemembersofCongressexpressedtheviewthatthereisaneedforanagingtesttobeconductedonlightvehicletires.Theagencytentativelyconcludesthatweagreethereisaneedforanagingtestintheproposedlightvehicletirestandardbecausemosttirefailuresoccuratmileageswellbeyond2,720kilometers(1,700miles)towhichtiresareexposedinthecurrentFMVSSNo.109EnduranceTest.”2Untilthepublicationofthisstandard,therewasneitheranindustrynoragovernmentstandardpracticefortheacceleratedlaboratoryroadwheelgenerationofbeltseparationintires.Thisstandardrepresentsthebodyofworkwhosegoalwastodevelopascientificallyvalid,shortdurationagedtireteststandardfocusedonthegenerationofbeltedgeseparation.ThescopeofthisworkislimitedtoradialpassengercarandlighttrucktiresthroughLoadRangeE.Thestandardsdevelopmenttaskgroupconductedresearchinordertodetermine:(1)theappropriateacceleratedlaboratoryagingconditionswhichcorrelatematerialpropertychangesatthebeltedgeofthetireasproducedinthelaboratorywiththoseobservedinservice(asdescribedinPracticeF2838),and(2)theappropriatelaboratoryroadwheeldurabilitytestparameterswhicharecapableofproducingbeltedgeseparationswhileavoidingthoseconditionswhichareexclusivelyby-produ...
