ASTM C776-2006(2011) 烧结的二氧化铀丸标准规格

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【英文标准名称】:StandardSpecificationforSinteredUraniumDioxidePellets
【原文标准名称】:烧结的二氧化铀丸标准规格
【标准号】:ASTMC776-2006(2011)
【标准状态】:现行
【国别】:
【发布日期】:2006
【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】:核燃料;核燃料球芯块;氧化铀;二氧化铀
【英文主题词】:nuclearfuel;nuclearfuelpellets;urania;uraniumdioxide
【摘要】:1.1Thisspecificationisforfinishedsintereduraniumdioxidepellets.Itappliestouraniumdioxidepelletscontaininguraniumofany235Uconcentrationforuseinnuclearreactors.1.2ThisspecificationrecognizesthepresenceofreprocesseduraniuminthefuelcycleandconsequentlydefinesisotopiclimitsforuraniumdioxidepelletsmadefromcommercialgradeUO2.SuchcommercialgradeUO2isdefinedsothat,regardingfueldesignandmanufacture,theproductisessentiallyequivalenttothatmadefromunirradiateduranium.UO2fallingoutsidetheselimitscannotnecessarilyberegardedasequivalentandmaythusneedspecialprovisionsatthefuelfabricationplantorinthefueldesign.1.3Thisspecificationdoesnotinclude(a)provisionsforpreventingcriticalityaccidentsor(b)requirementsforhealthandsafety.Observanceofthisspecificationdoesnotrelievetheuseroftheobligationtobeawareofandconformtoallfederal,state,andlocalregulationspertainingtopossessing,shipping,processing,orusingsourceorspecialnuclearmaterial.ExamplesofU.S.GovernmentdocumentsareCodeofFederalRegulations(LatestEdition),Title10,Part50,Title10,Part71,andTitle49,Part173.1.4Thefollowingprecautionarycaveatpertainsonlytothetechnicalrequirementsportion,Section4,ofthisspecification:Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityorregulatorylimitationspriortouse.
【中国标准分类号】:
【国际标准分类号】:27_120_30
【页数】:4P.;A4
【正文语种】: