ASTM G153-2004 非金属材料曝光用封闭式碳弧光仪器操作的标准规程
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【英文标准名称】:StandardPracticeforOperatingEnclosedCarbonArcLightApparatusforExposureofNonmetallicMaterials
【原文标准名称】:非金属材料曝光用封闭式碳弧光仪器操作的标准规程
【标准号】:ASTMG153-2004
【标准状态】:现行
【国别】:
【发布日期】:2004
【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】:G03.03
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:耐气候老化;非金属的;人工气候环境试验;电弧
【英文主题词】:accelerated;acceleratedweathering;carbonarc;durability;enclosedcarbonarc;exposure;laboratoryweathering;light;lightfastness;nonmetallicmaterials;temperature;ultraviolet;weathering
【摘要】:Theuseofthisapparatusisintendedtoinducepropertychangesassociatedwiththeenduseconditions,includingtheeffectsofsunlight,moisture,andheat.Theseexposuresmayincludeameanstointroducemoisturetothetestspecimen.Exposuresarenotintendedtosimulatethedeteriorationcausedbylocalizedweatherphenomena,suchasatmosphericpollution,biologicalattack,andsaltwaterexposure.Alternatively,theexposuremaysimulatetheeffectsofsunlightthroughwindowglass.Typically,theseexposureswouldincludemoistureintheformofhumidity.Cautions8212;RefertoPracticeG151forfullcautionaryguidanceapplicabletoalllaboratoryweatheringdevices.5.2.1Variationinresultsmaybeexpectedwhenoperatingconditionsarevariedwithintheacceptedlimitsofthispractice.Therefore,noreferenceshallbemadetoresultsfromtheuseofthispracticeunlessaccompaniedbyareportdetailingthespecificoperatingconditionsinconformancewithSection10.5.2.2Itisrecommendedthatasimilarmaterialofknownperformance,acontrol,beexposedsimultaneouslywiththetestspecimentoprovideastandardforcomparativepurposes.Itisrecommendedthatatleastthreereplicatesofeachmaterialevaluatedbeexposedineachtesttoallowforstatisticalevaluationofresults.1.1Thispracticecoversthebasicprinciplesandoperatingproceduresforusingenclosedcarbon-arclightandwaterapparatusintendedtoreproducetheweatheringeffectsthatoccurwhenmaterialsareexposedtosunlight(eitherdirectorthroughwindowglass)andmoistureasrainordewinactualuse.Thispracticeislimitedtotheproceduresforobtaining,measuring,andcontrollingconditionsofexposure.Anumberofexposureproceduresarelistedinanappendix;however,thispracticedoesnotspecifytheexposureconditionsbestsuitedforthematerialtobetested.Note1PracticeG151describesperformancecriteriaforallexposuredevicesthatuselaboratorylightsources.ThispracticereplacesPracticeG23,whichdescribesveryspecificdesignsfordevicesusedforcarbon-arcexposures.TheapparatusdescribedinPracticeG23iscoveredbythispractice.1.2Testspecimensareexposedtoenclosedcarbonarclightundercontrolledenvironmentalconditions.1.3Specimenpreparationandevaluationoftheresultsarecoveredinvariousmethodsorspecificationsforspecificmaterials.GeneralguidanceisgiveninPracticeG151andISO4892-1.MorespecificinformationaboutmethodsfordeterminingthechangeinpropertiesafterexposureandreportingtheseresultsisdescribedinISO4582.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.1.5.1Shouldanyozonebegeneratedfromtheoperationofthelightsource,itshallbecarriedawayfromthetestspecimensandoperatingpersonnelbyanexhaustsystem.
【中国标准分类号】:N50
【国际标准分类号】:19_040
【页数】:8P.;A4
【正文语种】:
【原文标准名称】:非金属材料曝光用封闭式碳弧光仪器操作的标准规程
【标准号】:ASTMG153-2004
【标准状态】:现行
【国别】:
【发布日期】:2004
【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】:G03.03
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:耐气候老化;非金属的;人工气候环境试验;电弧
【英文主题词】:accelerated;acceleratedweathering;carbonarc;durability;enclosedcarbonarc;exposure;laboratoryweathering;light;lightfastness;nonmetallicmaterials;temperature;ultraviolet;weathering
【摘要】:Theuseofthisapparatusisintendedtoinducepropertychangesassociatedwiththeenduseconditions,includingtheeffectsofsunlight,moisture,andheat.Theseexposuresmayincludeameanstointroducemoisturetothetestspecimen.Exposuresarenotintendedtosimulatethedeteriorationcausedbylocalizedweatherphenomena,suchasatmosphericpollution,biologicalattack,andsaltwaterexposure.Alternatively,theexposuremaysimulatetheeffectsofsunlightthroughwindowglass.Typically,theseexposureswouldincludemoistureintheformofhumidity.Cautions8212;RefertoPracticeG151forfullcautionaryguidanceapplicabletoalllaboratoryweatheringdevices.5.2.1Variationinresultsmaybeexpectedwhenoperatingconditionsarevariedwithintheacceptedlimitsofthispractice.Therefore,noreferenceshallbemadetoresultsfromtheuseofthispracticeunlessaccompaniedbyareportdetailingthespecificoperatingconditionsinconformancewithSection10.5.2.2Itisrecommendedthatasimilarmaterialofknownperformance,acontrol,beexposedsimultaneouslywiththetestspecimentoprovideastandardforcomparativepurposes.Itisrecommendedthatatleastthreereplicatesofeachmaterialevaluatedbeexposedineachtesttoallowforstatisticalevaluationofresults.1.1Thispracticecoversthebasicprinciplesandoperatingproceduresforusingenclosedcarbon-arclightandwaterapparatusintendedtoreproducetheweatheringeffectsthatoccurwhenmaterialsareexposedtosunlight(eitherdirectorthroughwindowglass)andmoistureasrainordewinactualuse.Thispracticeislimitedtotheproceduresforobtaining,measuring,andcontrollingconditionsofexposure.Anumberofexposureproceduresarelistedinanappendix;however,thispracticedoesnotspecifytheexposureconditionsbestsuitedforthematerialtobetested.Note1PracticeG151describesperformancecriteriaforallexposuredevicesthatuselaboratorylightsources.ThispracticereplacesPracticeG23,whichdescribesveryspecificdesignsfordevicesusedforcarbon-arcexposures.TheapparatusdescribedinPracticeG23iscoveredbythispractice.1.2Testspecimensareexposedtoenclosedcarbonarclightundercontrolledenvironmentalconditions.1.3Specimenpreparationandevaluationoftheresultsarecoveredinvariousmethodsorspecificationsforspecificmaterials.GeneralguidanceisgiveninPracticeG151andISO4892-1.MorespecificinformationaboutmethodsfordeterminingthechangeinpropertiesafterexposureandreportingtheseresultsisdescribedinISO4582.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.1.5.1Shouldanyozonebegeneratedfromtheoperationofthelightsource,itshallbecarriedawayfromthetestspecimensandoperatingpersonnelbyanexhaustsystem.
【中国标准分类号】:N50
【国际标准分类号】:19_040
【页数】:8P.;A4
【正文语种】:
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