Title of article
Fatiguestudiesoncarbonsteelpipingmaterialsandcomponents:IndianPHWRsOriginalResearchArticle
Author/Authors
P.K.Singh، نويسنده , , V.Bhasin، نويسنده , , K.K.Vaze، نويسنده , , A.K.Ghosh، نويسنده , , H.S.Kushwaha، نويسنده , , D.S.R.Murthy، نويسنده , , P.Gandhi، نويسنده , , S.Sivaprasad، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2008
Pages
13
From page
801
To page
813
Abstract
ThispaperdescribestheresultsoffatiguestudiesoncarbonsteelpipingmaterialsandcomponentsofIndianPressurizedHeavyWaterReactors(PHWRs).Thepipingcomponentsincludepipesandelbows,ofouterdiameter219mm,324mmand406mm,madeofcarbonsteel(SA333Gr.6grade)material.Testsonactualpipesandelbowswithpartthroughnotchwerecarriedouttostudythebehaviourofcrackgrowthundercyclicloadingfordifferentpipesizes,notchaspectratios,stressratios,etc.Duringthetests,numbersofcyclesforcrackinitiationfrombluntnotchwererecordedwithanaccuracyof0.1mm.Inconjunctionwithcomponenttests,theexperimentalstudieswerealsoconductedonstandardspecimenstounderstandtheeffectofdifferentvariablessuchassize(thickness),typeofspecimenandcomponents(elbowandpipe),welding,stressratio,notchorientationonfatiguecrackgrowthrate.Thefatiguecrackgrowthcurve(da/dNversusΔK)obtainedfromthree-pointbendspecimenandpipewascomparedwiththatgiveninASMESectionXI.Thecomparisonshowsthatda/dNversusΔKcurvesobtainedfromthespecimenandpipetestsarenearlysame.Theanalyticalpredictionsforcrackinitiationandcrackgrowthforthetestedcomponentswerecomparedwithexperimentalresults.Suchcomparisonsvalidatethemodelingprocedureforcrackinitiationandgrowth.
Journal title
Nuclear Engineering and Design Eslah
Serial Year
2008
Journal title
Nuclear Engineering and Design Eslah
Record number
895046
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