Product Code:SAE AMS4820
Title:Bearings, Leaded Copper, 70.5cu 28.5pb, Steel Back
Issuing Committee:Ams D Nonferrous Alloys Committee
Scope:This specification covers bearings of leaded copper cast on one or both faces of a steel backing.【英文标准名称】:StandardPracticeforEvaluationofSurveillanceCapsulesfromLight-WaterModeratedNuclearPowerReactorVessels
【原文标准名称】:轻水中型核动力反应堆罐监测室评估的标准实施规程
【标准号】:ASTME2215-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:E10.02
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:irradiation;nuclearreactorvessels(lightwatermoderated);radiationexposure;surveillance(ofnuclearreactorvessels);Irradiance/irradiation--nuclearapplications;Nuclearreactorvessels--light-watercooled;Nuclearreactorvessels--surveillanc
【摘要】:Neutronradiationeffectsareconsideredinthedesignoflight-watermoderatednuclearpowerreactors.Changesinsystemoperatingparametersmaybemadethroughouttheservicelifeofthereactortoaccountfortheseeffects.Asurveillanceprogramisusedtomeasurechangesinthepropertiesofactualvesselmaterialsduetotheirradiationenvironment.Thispracticedescribesthecriteriathatshouldbeconsideredinevaluatingsurveillanceprogramtestcapsules.Priortothefirstissuedateofthisstandard,thedesignofsurveillanceprogramsandthetestingofsurveillancecapsuleswerebothcoveredinasinglestandard,PracticeE185.Betweenitsprovisionaladoptionin1961anditsreplacementlinkedtothisstandard,PracticeE185wasrevisedmanytimes(1966,1970,1973,1979,1982,1993and1998).Therefore,capsulesfromsurveillanceprogramsthatweredesignedandimplementedunderearlyversionsofthestandardwereoftentestedaftersubstantialchangestothestandardhadbeenadopted.Forclarity,thestandardpracticeforsurveillanceprogramshasbeendividedintothenewPracticeE185thatcoversthedesignofnewsurveillanceprogramsandthisstandardpracticethatcoversthetestingandevaluationofsurveillancecapsules.ModificationstothestandardtestprogramandsupplementaltestsaredescribedinGuideE636.Thisstandardpracticeisintendedtocovertestingandevaluationofalllight-watermoderatedreactorpressurevesselsurveillancecapsules.ThepracticeisapplicabletotestingofcapsulesfromsurveillanceprogramsdesignedandimplementedunderallpreviousversionsofPracticeE185.Theradiation-inducedchangesinthepropertiesofthevesselaregenerallymonitoredbymeasuringtheCharpyindextemperatures,theCharpyupper-shelfenergyandthetensilepropertiesofspecimensfromthesurveillanceprogramcapsules.Thesignificanceoftheseradiation-inducedchangesisdescribedinPracticeE185.TheapplicationofthisdataisthesubjectofGuideE900andotherdocumentslistedinSection2.Alternativemethodsexistfortestingsurveillancecapsulematerials.SomesupplementalandalternativetestingmethodsareavailableasindicatedinGuideE636.DirectmeasurementofthefracturetoughnessisalsofeasibleusingtheToReferenceTemperaturemethoddefinedinTestMethodE1921orJ-integraltechniquesdefinedinTestMethodE1820.Additionally,hardnesstestingcanbeusedtosupplementstandardmethodsasameansofmonitoringtheradiationresponseofthematerials.ThemethodologytobeusedintheanalysisandinterpretationofneutrondosimetrydataandthedeterminationofneutronfluenceisdefinedinPracticeE853.GuideE900describesthebasesusedtoevaluatetheradiation-inducedchangesinCharpytransitiontemperatureforreactorvesselmaterialsandprovides......
【中国标准分类号】:F60
【国际标准分类号】:27_120_10
【页数】:6P.;A4
【正文语种】:英语