DIN 41640 T.19-1980 机电元件的测量和试验方法；试验8b；静态轴向负荷
时间:2024-05-21 22:49:23 来源: 标准资料网 作者：标准资料网 阅读：9349
【英文标准名称】:Measuringmethodsandtestingproceduresforelectromechanicalcomponents;test8b:staticload,axial
【原文标准名称】:机电元件的测量和试验方法；试验8b；静态轴向负荷
【标准号】:DIN41640T.19-1980
【标准状态】:作废
【国别】:
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【发布单位】:德国标准化学会(DE-DIN)
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【标准类型】:()
【标准水平】:()
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【中国标准分类号】:
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【英文标准名称】:ERRATUM
【原文标准名称】:勘误
【标准号】:JISC9335-2-17ERRATUM1-2006
【标准状态】:现行
【国别】:
【发布日期】:2006-07-14
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【发布单位】:日本工业标准调查会(JP-JISC)
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【标准类型】:()
【标准水平】:()
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【中国标准分类号】:Y61
【国际标准分类号】:
【页数】:2P;A4
【正文语种】:日语
【英文标准名称】:StandardTestMethodforColorStabilityofBuildingConstructionSealantsasDeterminedbyLaboratoryAcceleratedWeatheringProcedures
【原文标准名称】:用实验室加速风化程序测定建筑物密封材料颜色稳定性的标准试验方法
【标准号】:ASTMC1501-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:C24.40
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:artificialacceleratedweathering;sealant;colorchange;colorstability;Acceleratedweathering--sealants;Color--sealants;Colorstability;Laboratory--building/constructionmaterialsanalysis;Sealants
【摘要】:Thistestmethodisintendedtoinducecolorchangesinsealants,aswellastheirconstituentpigments,associatedwithend-useconditions,includingtheeffectsofsunlight,moisture,andheat.Theexposuresusedinthistestmethodarenotintendedtosimulatethecolorchangeofasealantcausedbylocalizedweatheringphenomena,suchasatmosphericpollution,biologicalattack,andsaltwaterexposure.Whenconductingexposuresindevicesthatuselaboratorylightsources,itisimportanttoconsiderhowwelltheartificialtestconditionswillreproducepropertychangesandfailuremodesassociatedwithend-useenvironmentsforthesealantbeingtested.InformationontheuseandinterpretationofdatafromacceleratedexposuretestsisprovidedinASTMG151.Whenthistestmethodisusedaspartofaspecification,exactprocedure,testconditions,testdurationandevaluationtechniquemustbespecified.Resultsobtainedbetweenthetwoproceduresmayvary,becausethespectralpowerdistributionofthelightsources(fluorescentUVandxenonarc)differ.Sealantsshouldnotbecomparedtoeachotherbasedontheresultsobtainedindifferenttypesofapparatus.Thesedevicesarecapableofmatchingultravioletsolarradiationreasonablywell.However,forsealantssensitivetolongwavelengthUVandvisiblesolarradiation,theabsenceofthisradiationinthefluorescentUVapparatuscandistortcolorstabilityrankingwhencomparedtoexteriorenvironmentexposure.Note18212;RefertoPracticesG151forfullcautionaryguidanceregardinglaboratoryweatheringofnon-metallicmaterials.1.1Thistestmethoddescribeslaboratoryacceleratedweatheringproceduresusingeitherfluorescentultravioletorxenonarctestdevicesfordeterminingthecolorstabilityofbuildingconstructionsealants.1.2Colorstabilityrankingsprovidedbythesetwoproceduresmaynotagree.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Valuesgiveninparenthesesareforinformationonly.1.4ThereisnoequivalentISOstandardforthistestmethod.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q24
【国际标准分类号】:91_120_30
【页数】:5P.;A4
【正文语种】:英语