Title of article :
Comparisonofcrackinitiationlifeestimationproceduresundercreep-fatigueconditionsOriginalResearchArticle
Author/Authors :
M.P.O’Donnell، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2005
Abstract :
Thispaperdescribestheapplicationof“hightemperaturestructuralintegrityassessmentprocedures”developedintheUKandJapantocreep-fatiguecrackinitiationinweldedType316featurestests.Thecomponentsweresubjectedtobothfatigueandcreep-fatigueloadingat630°C.Theloadingsarerepresentativeofthoseontheuppersealgimbaljointinanadvancedgascooledreactor(AGR),exceptthatthetestswereisothermalandtheimposeddwelltimeswerereduced.Itisdemonstratedthatapplicationoftheproceduresgivesaccuratepredictionsoftheobservedcrackinitiationintheweldment,basedontwodifferentadvancedinelasticconstitutivemodels(BEandCRIEPImodels)andbestestimatematerialsdata.Applicationofsimplifiedassessmentmethodsbasedonelasticanalysisisshowntobeconservative.Whereappropriate,contrastsbetweentheUKandtheJapaneseassessmentproceduresandinelasticmodellingtechniqueshavebeenhighlighted.
Journal title :
Nuclear Engineering and Design Eslah
Journal title :
Nuclear Engineering and Design Eslah
