ASTM C922-2008 烧结氧化钆及二氧化铀颗粒的标准规范

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【英文标准名称】:StandardSpecificationforSinteredGadoliniumOxide-UraniumDioxidePellets
【原文标准名称】:烧结氧化钆及二氧化铀颗粒的标准规范
【标准号】:ASTMC922-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:C26.02
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:burnablepoison;gadolinia;nuclearfuel;nuclearfuelpellets;urania;uraniumdioxide;Burnablepoison;Gadolinia;Gadoliniumoxide-uraniumdioxidepowder/pellets;Nuclearfuelpellets;Nuclearmaterials/applications--specifications;Urania
【摘要】:1.1Thisspecificationisforfinishedsinteredgadoliniumoxide-uraniumdioxidepelletsforuseinlight-waterreactors.Itappliestogadoliniumoxide-uraniumdioxidepelletscontaininguraniumofany235Uconcentrationandanyconcentrationofgadoliniumoxide.1.2Thisspecificationrecognizesthepresenceofreprocesseduraniuminthefuelcycleandconsequentlydefinesisotopiclimitsforgadoliniumoxide-uraniumdioxidepelletsmadefromcommercialgradeUO2.SuchcommercialgradeUO2isdefinedsothat,regardingfueldesignandmanufacture,theproductisessentiallyequivalenttothatmadefromunirradiateduranium.UO2fallingoutsidetheselimitscannotnecessarilyberegardedasequivalentandmaythusneedspecialprovisionsatthefuelfabricationplantorinthefueldesign.1.3Thisspecificationdoesnotinclude(1)provisionsforpreventingcriticalityaccidentsor(2)requirementsforhealthandsafety.Observanceofthisspecificationdoesnotrelievetheuseroftheobligationtobeawareofandconformtoallinternational,federal,state,andlocalregulationspertainingtopossessing,shipping,processing,orusingsourceorspecialnuclearmaterial.ExamplesofU.S.GovernmentaldocumentsareCodeofFederalRegulations(LatestEdition),Title10,Part50,Title10,Part71,andTitle49,Part173.1.4Thefollowingprecautionarycaveatpertainsonlytothetechnicalrequirementsportion,Section4,ofthisspecification:Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:F46
【国际标准分类号】:27_120_30
【页数】:4P.;A4
【正文语种】:英语