【英文标准名称】:StandardPracticeforConductingIrradiationsatAccelerator-BasedNeutronSources
【原文标准名称】:对基于加速器的中子源进行辐照的标准实施规范
【标准号】:ASTME798-1996(2003)
【标准状态】:现行
【国别】:
【发布日期】:1996
【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】:E10.08
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:放射性试验;中子;泉;核技术;核能
【英文主题词】:accelerators;cyclotrons;fusion;ionirradiation;radiationdamagesimulation;spallation
【摘要】:1.1Thispracticecoversproceduresforirradiationsataccelerator-basedneutronsources.Thediscussionfocusesontwotypesofsources,namelynearlymonoenergetic14-MeVneutronsfromthedeuterium-tritiumT(d,n)interaction,andbroadspectrumneutronsfromstoppingdeuteriumbeamsinthickberylliumorlithiumtargets.However,mostoftherecommendationsalsoapplytoothertypesofaccelerator-basedsources,includingspallationneutronsources().Interestinspallationsourceshasincreasedrecentlyduetotheirproposedusefortransmutationoffissionreactorwaste().1.2Manyoftheexperimentsconductedusingsuchneutronsourcesareintendedtosimulateirradiationinanotherneutronspectrum,forexample,thatfromaDTfusionreaction.Thewordsimulationisusedhereinabroadsensetoimplyanapproximationoftherelevantneutronirradiationenvironment.Thedegreeofconformitycanrangefrompoortonearlyexact.Ingeneral,theintentofthesesimulationsistoestablishthefundamentalrelationshipsbetweenirradiationormaterialparametersandthematerialresponse.Theextrapolationofdatafromsuchexperimentsrequiresthatthedifferencesinneutronspectrabeconsidered.1.3Theprocedurestobeconsideredincludemethodsforcharacterizingtheacceleratorbeamandtarget,theirradiatedsample,andtheneutronfluxandspectrum,aswellasproceduresforrecordingandreportingirradiationdata.1.4Otherexperimentalproblems,suchastemperaturecontrol,arenotincluded.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:F50
【国际标准分类号】:27_120_10
【页数】:13P.;A4
【正文语种】: