Title of article :
TheeffectsofthestainlesssteelcladdinginpressurizedthermalshockevaluationOriginalResearchArticle
Author/Authors :
ChangheuiJang، نويسنده , , Suk-ChullKang، نويسنده , , Ho-RimMoonn، نويسنده , , Ill-SeokJeong، نويسنده , , Tae-RyongKim، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2003
Abstract :
Fracturemechanicsanalysisisthekeyelementoftheintegrityevaluationofthenuclearreactorpressurevessel(RPV),suchasthepressurizedthermalshock(PTS)analysisandP–Tlimitcurveconstruction.However,theexistenceofstainlesssteelcladding,withdifferentthermal,physical,andmechanicalpropertyattheinnersurfaceofreactorpressurevesselcomplicatesthefracturemechanicsanalysis.Inthispaper,thesimpleanalyticaltreatmentschemestocalculatethestressandresultingstressintensityfactoratthetipoftheflawsintheRPVwithstainlesssteelcladdingareintroduced.Forareferencethermal–hydraulicboundarycondition,theeffectsofcladdingthermalconductivityandthermalexpansioncoefficientsonthestressintensityfactorofsurfaceflawswereexamined.Also,theeffectsofcladdingplasticityandthicknesswerequantitativelyexamined.TheanalysisresultsshowedthattheexistenceofthestainlesscladdinghadsignificantimpactsontheRPVfailureprobabilities.
Journal title :
Nuclear Engineering and Design Eslah
Journal title :
Nuclear Engineering and Design Eslah