Title of article
ApplicationoftheSeebeckeffectformonitoringofneutronembrittlementandlow-cyclefatigueinnuclearreactorsteelOriginalResearchArticle
Author/Authors
Markus Niffenegger، نويسنده , , K.Reichlin، نويسنده , , Kalkhof، D. نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2005
Pages
12
From page
1777
To page
1788
Abstract
Themonitoringofneutronembrittlementandlow-cyclefatigueinnuclearreactorsteelisanimportanttopicinlifetimeextensionofnuclearpowerplants.Amongseveralmaterialparametersthatmaychangeduetomaterialdegradationarethethermoelectricproperties.Therefore,weinvestigatedtheapplicationoftheSeebeckeffectfordeterminingmaterialdegradationofcommonreactorpressurevessel(RPV)steel.TheSeebeckcoefficients(SC)ofseveralirradiatedCharpyspecimensmadefromJapanesereferencesteelJRQweremeasured.Thespecimenssufferedfluencesfrom0upto4.5E19neutrons/cm2,withenergieshigherthan1MeV.MeasuredchangesoftheSCwithinthisrangewereabout500nV/°C,increasingcontinuouslyintherangeunderinvestigation.Someindicationsofsaturationappearedatfluencieslargerthan4.5E19neutrons/cm2.WeobtainedalineardependencybetweentheSCandthetemperatureshiftΔT41oftheCharpyenergyversustemperaturecurve,whichiswidelyusedtocharacterizematerialembrittlement.
Journal title
Nuclear Engineering and Design Eslah
Serial Year
2005
Journal title
Nuclear Engineering and Design Eslah
Record number
894957
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