【英文标准名称】:StandardPracticeforCharacterizingNeutronExposuresinIronandLowAlloySteelsinTermsofDisplacementsPerAtom(DPA),E706(ID)
【原文标准名称】:根据每个原子(DPA)、E706(ID)位移辨别铁和低合金钢中子照射特性的标准实施规程
【标准号】:ASTME693-2001(2007)
【标准状态】:现行
【国别】:
【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】:E10.05
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:原子;照射;铁素体钢;中子;核能;钢
【英文主题词】:atomicdisplacements;crosssection;irradiation;materialsdamage;neutron;steel
【摘要】:1.1Thispracticedescribesastandardprocedureforcharacterizingneutronirradiationsofiron(andlowalloysteels)intermsoftheexposureindexdisplacementsperatom(dpa)foriron.1.2Althoughthegeneralproceduresofthispracticeapplytoanymaterialforwhichadisplacementcrosssectiond(E)isknown(seePracticeE521),thispracticeiswrittenspecificallyforiron.1.3Itisassumedthatthedisplacementcrosssectionforironisanadequateapproximationforcalculatingdisplacementsinsteelsthataremostlyiron(95to100%)inradiationfieldsforwhichsecondarydamageprocessesarenotimportant.1.4Proceduresanalogoustothisonecanbeformulatedforcalculatingdpainchargedparticleirradiations.(SeePracticeE521.)1.5Theapplicationofthispracticerequiresknowledgeofthetotalneutronfluenceandfluxspectrum.RefertoPracticeE521fordeterminingthesequantities.1.6Thecorrelationofradiationeffectsdataisbeyondthescopeofthispractice.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H11
【国际标准分类号】:77_080_20
【页数】:8P.;A4
【正文语种】: