ASTM E531-1976(2007) 在高温下核组份材料的监视试验

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【英文标准名称】:StandardPracticeforSurveillanceTestingofHigh-TemperatureNuclearComponentMaterials
【原文标准名称】:在高温下核组份材料的监视试验
【标准号】:ASTME531-1976(2007)
【标准状态】:现行
【国别】:
【发布日期】:1976
【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】:E10.02
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:核技术;试验;核能;元部件;材料;监督(认可);高温
【英文主题词】:irradiation;nuclearreactorvessels(hightemperature);radiationexposure;surveillance(ofnuclearreactorvessels)
【摘要】:Therequirementscontainedhereincanbeusedasabasisforestablishingconditionsforsafeoperationofcriticalcomponents.Therequirementsprovideforgeneralplantassessmentandverificationthatmaterialsmeetdesigncriteria.Thetestspecimensandprocedurespresentedinthispracticeareforguidancewhenestablishingasurveillanceprogram.Thispracticeforhigh-temperaturematerialssurveillanceprogramsisusedwhennuclearreactorcomponentmaterialsaremonitoredbyspecimentesting.Periodictestingisperformedthroughtheservicelifeofthecomponentstoassesschangesinselectedmaterialpropertiesthatarecausedbyneutronirradiationandthermaleffects.Thepropertiesarethoseusedasdesigncriteriafortherespectivenuclearcomponents.Theextentofmaterialpropertychangecausedbyneutronirradiationdependsonthecompositionandstructureoftheinitialmaterial,itsconditioningincomponentfabrication,aswellasthenatureoftheirradiationexposure.Theneedforsurveillancearisesfromaconcernofspecificmaterialbehaviorunderallirradiationconditionsincludingspectrumandrateeffectsonmaterialproperties.1.1Thispracticecoversproceduresforspecimentestingtoestablishchangesoccurringinthemechanicalpropertiesduetoirradiationandthermaleffectsofnuclearcomponentmetallicmaterialswherethesematerialsareusedforhightemperatureapplicationsabove370176;C(700176;F).
【中国标准分类号】:F46
【国际标准分类号】:27_120_10
【页数】:5P.;A4
【正文语种】: