Title of article :
StresscorrosioncracklengthanddepthevolutiononpulledSGtubesfromaPWROriginalResearchArticle
Author/Authors :
SeongSikHwang، نويسنده , , MyungSikChoi، نويسنده , , JoungSooKim، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2004
Abstract :
Eddycurrenttest(ECT)datacollectedfromthein-serviceinspection(ISI)ofpulledsteamgenerator(SG)tubeswereevaluatedintermsoftheprimarywaterstresscorrosioncrack(PWSCC)lengthanddepthevolution.Aftershotpeening,theevaluatedcracklengthandthenumberofcracksdidnotincrease,buttheEddycurrentvoltagesthatwererelatedtothecrackdepthincreasedcontinuously.Intheanalysisofallthetubesoftheplant,theevaluatedcracklengthssaturatedataround6mm,whilethevoltageofthedefectsincreasedwithtime.Asaresult,shotpeeningwasconsideredeffectiveforsuppressingcracklengthincrease,butnotsosuccessfulfromthepointofpreventingcrackdeepening.ItwasalsofoundthattubebundlesthatweresusceptibletoPWSCCwerelocatedinaspecialareadependingonthesteamgeneratorsoftheanalyzedplant.
Journal title :
Nuclear Engineering and Design Eslah
Journal title :
Nuclear Engineering and Design Eslah