SAE J 1960-2004 《汽车外饰件在可控福照度的水冷式氙灯老化仪的加速暴晒》

SAETechnicalStandardsBoardRulesprovidethat:“ThisreportispublishedbySAEtoadvancethestateoftechnicalandengineeringsciences.Theuseofthisreportisentirelyvoluntary,anditsapplicabilityandsuitabilityforanyparticularuse,includinganypatentinfringementarisingtherefrom,isthesoleresponsibilityoftheuser.”SAEreviewseachtechnicalreportatleasteveryfiveyearsatwhichtimeitmaybereaffirmed,revised,orcancelled.SAEinvitesyourwrittencommentsandsuggestions.Copyright©2004SAEInternationalAllrightsreserved.Nopartofthispublicationmaybereproduced,storedinaretrievalsystemortransmitted,inanyformorbyanymeans,electronic,mechanical,photocopying,recording,orotherwise,withoutthepriorwrittenpermissionofSAE.TOPLACEADOCUMENTORDER:Tel:[phone](insideUSAandCanada)Tel:[phone](outsideUSA)Fax:[phone]Email:[e-mail]:—Thefollowingpublicationsformapartofthespecificationtotheextentspecifiedherein.Unlessotherwiseindicated,thelatestrevisionofSAEpublicationsshallapply2.1.1SAEPUBLICATION—AvailablefromSAE,400CommonwealthDrive,Warrendale,PA15096-0001.SAEJ1545—InstrumentalColorDifferenceMeasurementforExteriorFinishes,Textiles,andColoredTrim2.1.2ASTMPUBLICATION—AvailablefromASTM,100BarrHarborDrive,WestConshohocken,PA19428-2959.ASTMD859—StandardTestMethodforSilicainWaterASTMD4517—StandardTestMethodforLow-LevelTotalSilicainHigh-PurityWaterbyFlamelessAtomicAbsorptionSpectroscopyASTMG155—StandardPracticeforOperatingXenonArcLightApparatusforExposureofNon-MetallicMaterialsCopyrightSAEInternationalProvidedbyIHSunderlicensewithSAENotforResaleNoreproductionornetworkingpermittedwithoutlicensefromIHS--`,,,,``-`-`,,`,,`,`,,`---SAEJ1960RevisedOCT2004-2-3.Definitions3.1BlackPanelThermometer,n3.1.1Atemperaturemeasuringdevice,thesensingunitofwhichiscoatedwithblackenameldesignedtoabsorbmostoftheradiantenergyencounteredinfade/weatheringtesting.3.1.1.1Thisdeviceprovidesanestimationofthemaximumtemperatureaspecimenmightattainduringexposuretonaturalorartificiallight.3.2CenterWavelength,n—Thespecifiedwavelengthforbandpassfilters;thewavelengthmidwaybetweenthehalfpowerpoints(e.g.,340nm±2nm).3.3ColorChange,n—Asusedinfade-weatheringtesting,achangeincolorofanykind(whetherachangeinhue,saturation,orlightness).3.4HalfPowerBandpass,n—Theintervalbetweenwavelengthsatwhichtransmittanceis50%ofpeak.(Itshouldnotexceed20nmforanarrowbandpassfilter.)3.5Irradiance,n.(E)—Theincidentradiantfluxperunitareaofasurface.(Wm–2)3.6Irradiance,Controlled,n—Themaintenancebyclosedloopfeedbackofapreselectedirradiancethroughoutadesignatedexposureinterval.3.7Irradiance,Spectral,n—(Eλ)Irradianceperwavelengthinterval.(Wm–2nm–1).3.8Irradiance,Total,n—(Wm–2)Irradianceintegratedoverallwavelengthsofalightsourceonanexposedsurface.3.9Irradiation,n—Seeradiantexposure.3.10Long-ArcXenon,n—Axenonarcinwhichthelengthofthearcbetweenelectrodesisgreaterthanthediameteroftheenvelopeenclosingthearc.3.11PeakWavelength,n—Thewavelengthofpeaktransmission(e.g.,340nm).3.12RadiantExposure,n—Thetimeintegralofirradiance(Jm–2).3.13RadiantExposure,Spectral,n—ThetimeintegralofspectralIrradiance(Jm–2nm–1).3.14ReferencePlastic,n—Aclearpolystyreneplasticstandardselectedforexposureasacheckonatestapparatusandoperatingconditions.3.15Sample,Laboratory,n—Aportionofmaterialtakentorepresentthelotsample,ortheoriginalmaterial,andusedinthelaboratoryasasourceoftestspecimens.3.16Specimen,n—Aspecificportionofamaterialoralaboratorysampleonwhichatestisperformedorthatisselectedforthatpurpose.3.17SpectralPowerDistribution,n—Therelativepoweremittedbyasourceasafunctionofwavelength.CopyrightSAEInternationalProvidedbyIHSunderlicensewithSAENotforResaleNoreproductionornetworkingpermittedwithoutlicensefromIHS--`,,,,``-`-`,,`,,`,`,,`---SAEJ1960RevisedOCT2004-3-4.SignificanceandUse4.1Thistestmethodisdesignedtoaccelerateextremeenvironmentalconditionsencounteredoutsideavehiclesuchassunlight,heat,andmoisture(intheformofhumidity,condensationorrain)forthepurposeofpredictingtheweatherabilityofautomotivematerials.5.Apparatus5.1AmorecompletedescriptionoftheapparatuseslistedbelowmaybefoundinASTMG155.5.2Theapparatusemployedutilizesawater-cooledxenonarclampasthesourceofradiatio