Title of article :
ReactorpressurevesselembrittlementofNPPborssele:DesignlifetimeandlifetimeextensionOriginalResearchArticle
Author/Authors :
F.J.Blom، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2007
Abstract :
EmbrittlementofthereactorpressurevesseloftheBorsselenuclearpowerplanthasbeeninvestigatedtakingaccountofthedesignlifetimeof40yearsandconsidering20yearssubsequentlifetimeextension.ThepaperpresentsthecurrentlicensingstatusbasedonconsiderationsofmaterialtestdataandofUSnuclearregulatorystandards.EmbrittlementstatusisalsoevaluatedagainstGermanandFrenchnuclearsafetystandards.ResultsfrompreviousfracturetoughnessandCharpytestsareinvestigatedbymeansoftheMastercurvetoughnesstransitionapproach.Finally,stateoftheartinsightsareinvestigatedbymeansofliteratureresearch.RegardingtheembrittlementstatusofthereactorpressurevesselofBorsselenuclearpowerplantitisconcludedthatthereisaprofoundbasisforthecurrentlicenseuptotheoriginalendofthedesignlifein2013.Theembrittlementtemperaturechangesonlyslightlywithrespecttotheacceptancecriterionadoptedpostulatingfurtheroperationupto2033.Continuedsafeoperationandfurtherlifetimeextensionarethereforenotrestrictedbyreactorpressurevesselembrittlement.
Journal title :
Nuclear Engineering and Design Eslah
Journal title :
Nuclear Engineering and Design Eslah