Title of article
NeutronembrittlementofVVERreactorpressurevessels—recentresults,openissuesandnewdevelopmentsOriginalResearchArticle
Author/Authors
RalfAhlstrand، نويسنده , , MichelBièth، نويسنده , , ClaudeRieg، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2004
Pages
9
From page
267
To page
275
Abstract
Decisionsregardingtheverificationofdesignplantlifetimeinvolveadeterminationofthecomponentandcircuitcondition.Neutronembrittlementofreactorpressurevessels(RPV)becomesacrucialconsiderationforcontinuedsafeplantoperation.Since1991,theEuropeanCommission(EC)hasfinancedasignificantnumberofprojectsinthisarea,inparticularthroughtheTACISandPHAREprogrammes.InNuclearSafetysupportprogrammesthecountriesmainlyconcernedareRussia,Ukraine,Armenia,andKazakhstanfortheTACISprogramme,andBulgaria,CzechRepublic,Hungary,SlovakRepublic,Lithuania,RomaniaandSloveniaforthePHAREprogramme.Thecorrespondingresultsoftheseprojectsonneutronembrittlementhavecontributedtoabetterunderstandingoftheavailabledataandtheiruncertainties.RecentconfirmationsoftheirradiationtemperaturesofthesurveillancespecimensintheoperatingVVERnuclearpowerplantsshowthatthesurveillancespecimenscanbeusedfurtherforthevalidationofthecurrentandtheexpectedneutronembrittlement.TakingintoaccountthelatestresultsasabaselineforthedevelopmentofthenecessarymaterialdatatobeusedforupgradedRPVintegrityassessment,twonewTACISprojectsarebeinglaunched,jointlywithRussiaandUkraine,whosescopeis:
Journal title
Nuclear Engineering and Design Eslah
Serial Year
2004
Journal title
Nuclear Engineering and Design Eslah
Record number
894738
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