【英文标准名称】:StandardGuideforEvaluationofMaterialsUsedinExtendedServiceofInterimSpentNuclearFuelDryStorageSystems
【原文标准名称】:临时废核燃料干燥储存系统长期运行过程中使用的材料的评估的标准指南
【标准号】:ASTMC1562-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:C26.13
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:Safetyprecautions--nuclearenvironments;Spentnuclearfuels(SNF);Thermalperformance;Totalinventory;Creep;Drycaskstoragesystems(DCSS);Hydrogenabsorption;Independentspentfuelstorageinstallation(ISFSI);Licensing;Light-waternuclearrea
【摘要】:InformationisprovidedinthisdocumentandotherreferenceddocumentstoassistthelicenseeandthelicensorinanalyzingthematerialsaspectsofperformanceofSNFandDCSScomponentsduringextendedstorage.Theeffectsoftheserviceconditionsofthefirstlicensingperiodarereviewedinthelicenserenewalprocess.TheseserviceconditionsarehighlightedanddiscussedinAnnexA1asfactorsthataffectmaterialsperformanceinanISFSI.Emphasisisontheeffectsoftime,temperature,radiation,andtheenvironmentontheconditionoftheSNFandtheperformanceofcomponentsofISFSIstoragesystems.ThestorageofSNFthatisirradiatedundertheregulationsof10CFRPart50isgovernedbyregulationsin10CFRPart72.RegulatoryrequirementsforthesubsequentgeologicdisposalofthisSNFarepresentlygivenin10CFRPart60,withspecificrequirementsfortheuseofYuccaMountainasarepositorybeinggivenintheregulatoryrequirementsof10CFRPart63.Betweenthelife-cyclephasesofstorageanddisposal,SNFmaybetransportedundertherequirementsof10CFRPart71.Therefore,instorage,itisimportanttoacknowledgethetransportanddisposalphasesofthelifecycle.Indoingthis,thematerialspropertiesthatareimportanttothesesubsequentphasesaretobeconsideredinordertopromotesuccessfulcompletionofthesesubsequentphasesinthelifecycleofSNF.RetrievabilityofSNF(orhigh-levelradioactivewaste)issetasarequirementin10CFRPart72.122(g)(5)and10CFRPart72.122(l).Careshouldbetakeninoperationsconductedpriortodisposal,forexample,storage,transfer,andtransport,toensurethattheSNFisnotabusedandthatSNFassemblieswillberetrievable,theprotectivevalueofthecladdingisnotdegradedandremainscapableofservingasanactivebarriertoradionuclidereleaseduringtransferandtransportoperations.Itispossiblethatcladdingcouldbealteredduringdrystorage.Thehydrogeneffects,fracturetoughnessofthecladdingandthecreepbehaviorareimportantparameterstobeevaluatedandcontrolledduringthedrystoragephaseofthelifecycle.ThesedegradationmechanismsarediscussedinAnnexA2andAnnexA4.1.1Partofthetotalinventoryofcommercialspentnuclearfuel(SNF)isstoredindrycaskstoragesystems(DCSS)underlicensesgrantedbytheU.S.NuclearRegulatoryCommission(NRC).Thepurposeofthisguideistoprovideinformationtoassistinsupportingtherenewaloftheselicenses,safelyandwithoutremovaloftheSNFfromitslicensedconfinement,forperiodsbeyondthosegovernedbythetermoftheoriginallicense.Thisguideprovidesinformationonmaterialsbehaviorunderconditionsthatmaybeimportanttosafetyevaluationsfortheextendedserviceoftherenewalperiod.ThisguideiswrittenforDCSScontaininglightwaterreactor(LWR)fuelthatiscladinzirconiumalloymaterialandstoredinaccordancewiththeCodeofFederalRegulations(CFR),atanindependentspent-fuelstorageinstallation(ISFSI).ThecomponentsofanISFSI,addressedinthisdocument,includethecommercialSNF,canister,cask,andallpartsofthestorageinstallationincludingtheISFSIpad.Thelanguageofthisguideisbased,inpart,ontherequirementsforadrySNFstoragelicensethatisgranted,bytheU.S.NuclearRegulatoryCommission(NRC),forupto20years.Althoughgovernmentregulationsmaydifferforvariousnations,theguidanceonmaterialspropertiesandbehaviorgivenhereisexpectedtohavebroadapplicability.1.2Thisguideaddressesmanyofthefactorsaffectingthetime-dependentbehaviorofmaterialsunderISFSIservice[10CFRPart72.42].Thesefactorsarethoseregardedtobeimportanttoperformance,inlicenseextension,beyondthecurrentlylicensed20-yearperiod.Examplesofthesefactorsaregiveninthisguideandtheyincludematerialsal......
【中国标准分类号】:F46
【国际标准分类号】:27_120_01
【页数】:25P.;A4
【正文语种】:英语