ASTM G156-2002 曝露试验中监视器条件一致性用标准风化物质的选择和表征的标准实施规范

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【英文标准名称】:StandardPracticeforSelectingandCharacterizingWeatheringReferenceMaterialsUsedtoMonitorConsistencyofConditionsinanExposureTest
【原文标准名称】:曝露试验中监视器条件一致性用标准风化物质的选择和表征的标准实施规范
【标准号】:ASTMG156-2002
【标准状态】:现行
【国别】:
【发布日期】:2002
【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】:G03.01
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:accelerated-agng;analysisofvariance;exposure;round-robin;weatheringreferencematerial
【摘要】:1.1ThisstandarddescribesthecriteriontobeusedforselectionofaWRMandprocedurestobeusedfordeterminingwithinlabandbetweenlabtolerancesofchangesinmeasuredpropertiesofareferencematerialintendedforuseinmonitoringoperatingconditionstoestablishtheconsistencyofexposuretests.Note18212;ExamplesoflaboratoryacceleratedtestsinwhichaweatheringreferencematerialcouldbeusedtomonitorconsistencyarelightandwaterexposuretestssuchasthosedescribedinPracticesG152,G153,andG154G155andotherstandardsinwhichtestsconductedaccordingtothesestandardsarereferenced.ExamplesofoutdoorexposureswhereaweatheringreferencematerialcouldbeusedtomonitorconsistencyarethoseconductedaccordingtoPracticesG7,G24,orG90.Areferencematerialcanalsobeusedtomonitorconsistencyofexposureorconditioningtestthatdonotinvolveexposuretolight.1.2Thispracticedoesnotcover(1)controlmaterialsusedforcomparisonofstabilitywithtestmaterials,or(2)standardmaterialsusedtotimeexposures.1.3Thispracticeprovidesanoutlineofexperimentsrequiredtodeterminehowthemeasuredpropertiesofthereferencematerialchangeasafunctionofexposuretospecifiedtestconditions.Itincludesestablishmentofreproduciblemeasurementprocedures,determinationofthecriticalregioninthelightsourcecausingthechanges,andeffectsofothercriticalexposurestressessuchastemperatureandmoisture.1.4Thispracticedescribesproceduresforconductinground-robintestswiththeweatheringreferencematerialtodeterminereproducibilityofthereferencematerialpropertychangeinexposuresconductedindifferentlaboratories,andtherepeatabilitywhenreplicatereferencematerialspecimensareexposedinasingledeviceandtestedinonelaboratory.1.5Thispracticedescribesproceduresforusingtheresultsfromanalysisofvarianceonresultsfromround-robinteststodeterminethecontributionoftheexposure,themeasurementdevice,referencematerialvariability,andoperatorerrortototalvariability.
【中国标准分类号】:
【国际标准分类号】:19_040
【页数】:4P.;A4
【正文语种】: