【英文标准名称】:StandardSpecificationforBlendedUraniumOxideswith235UContentofLessThan5%forDirectHydrogenReductiontoNuclearGradeUraniumDioxide
【原文标准名称】:直接加氢还原成核级二氧化铀的U-235含量低于5%的混合氧化铀的标准规范
【标准号】:ASTMC1348-2001(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:2001
【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】:conversion;nuclearfuel;reduction;uraniumdioxide;uraniumoxide^INDEXTERMS:Blendeduraniumoxides;Conversion;Nuclearfuels(reactor)--specifications;Nuclearmaterials/applications--specifications;Reduction;Sinterability;Uranium--specifi
【摘要】:1.1Thisspecificationcoversblendeduraniumtrioxide(UO3),U3O8,ormixturesofthetwo,powdersthatareintendedforconversionintoasinterableuraniumdioxide(UO2)powderbymeansofadirectreductionprocess.TheUO2powderproductofthereductionprocessmustmeettherequirementsofSpecificationC753andbesuitableforsubsequentUO2pelletfabricationbypressingandsinteringmethods.Thisspecificationappliestouraniumoxideswitha235Uenrichmentlessthan5%.1.2Thisspecificationincludeschemical,physical,andtestmethodrequirementsforuraniumoxidepowdersastheyrelatetothesuitabilityofthepowderforstorage,transportation,anddirectreductiontoUO2powder.Thisspecificationisapplicabletouraniumoxidepowdersforsuchusefromanysource.1.3Thescopeofthisspecificationdoesnotcomprehensivelycoverallprovisionsforpreventingcriticalityaccidents,forhealthandsafety,orforshipping.Observanceofthisspecificationdoesnotrelievetheuseroftheobligationtoconformtoallinternational,national,state,andlocalregulationsforprocessing,shipping,oranyotherwayofusinguraniumoxidepowders(see2.2and2.3).1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.5Thefollowingsafetyhazardscaveatpertainsonlytothetestmethodsportionoftheannexesinthisspecification:Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:F46
【国际标准分类号】:27_120_30
【页数】:5P.;A4
【正文语种】:英语