Title of article :
Monitoringofaradiationrecoveryinneutron-irradiatedRPVsteelbyusingthemagneticmethodsOriginalResearchArticle
Author/Authors :
Duck-GunPark، نويسنده , , In-GyuPark، نويسنده , , Whung-WhoeKim، نويسنده , , Yong-MooCheong، نويسنده , , Jun-HwaHong، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2008
Abstract :
Theeffectsofaneutronirradiationonthemagneticparametersofareactorpressurevessel(RPV)steelwithdifferentmicrostructures,partiallyduetoadifferenceinthesteelrefiningprocesseswereinvestigated.Thesampleswereirradiatedinaresearchreactorwithafluenceof4.5×1019n/cm2at288°C.ThemeasurementoftheBarkhausennoise(BN)wasconductedtoexploretherelationshipbetweenthemicrostructuralstateandthedomainwallmotion.TheBNprofilesoftheunirradiatedsamplesshowedaconsistentchangewiththemicrostructure(grainsize,carbidemorphology,lathwidth),buttheneutron-irradiatedsampledidnotshowaconsistentchangewithmicrostructuralstate.TheradiationhardeningandrecoverycharacteristicshavebeeninvestigatedbyusingtheVickershardnessmethod,andtherelationshipbetweentheBNandthemicrohardnessisobtainedforfourdifferentsteels.Thelinearrelationshipbetweenmechanicalandmagneticpropertiescanbeusedasanondestructiveevaluationforradiationdamage.
Journal title :
Nuclear Engineering and Design Eslah
Journal title :
Nuclear Engineering and Design Eslah
