Title of article
2DsimulationoftheinitiationandpropagationofcrackarrayunderthermalfatigueOriginalResearchArticle
Author/Authors
N.Haddar، نويسنده , , A. FISSOLO، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2005
Pages
20
From page
945
To page
964
Abstract
Variouscomponentsofnuclearreactorsaresubmittedtovariousthermo-mechanicalloadings.Thermalfatiguecrackinghasbeenclearlydetectedinreactorheatremovalsystem(RHRS)ofpressurizedwaterreactors(PWRs).ThepresentstudyfocusesonAISI304LstainlesssteelusedinPWRs.Thethermalfatiguebehaviorofthissteelhasbeeninvestigatedusingaspecificthermalfatiguefacilitycalled“SPLASH”.Thistestequipmentallowsthereproductionofmultiplecracknetworkssimilartothosedetectedduringcomponentinspections.Thepresentstudydealswiththemodelingofcracknetworksinitiationandpropagation.Itisstructuredintwoparts:(i)experimentaldetailsandmaincharacteristicsofthecracksnetworks,and(ii)numericalsimulationofmultiplecracksinitiationandgrowthproblem,usinganelastic–plasticthermal–mechanicalcomputationandageneralizedParis’law.Themodelpresentedinthisstudygivespredictionsinagoodagreementwithobservations,asfarastheevolutionofthemeananddeepestcracksduringcyclingisconcerned.
Journal title
Nuclear Engineering and Design Eslah
Serial Year
2005
Journal title
Nuclear Engineering and Design Eslah
Record number
894900
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