Title of article :
Effectofratchetingdeformationonfatigueandcreep-fatiguelifeof316FRstainlesssteelOriginalResearchArticle
Author/Authors :
ShingoDate، نويسنده , , HiroshiIshikawa، نويسنده , , TomomiOtani، نويسنده , , YukioTakahashi، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2008
Pages :
11
From page :
336
To page :
346
Abstract :
Componentsoffastbreederreactor(FBR)plantswillbesubjectedtolargethermalload,andprogressivedeformationwithloadingcycles(ratcheting)andcreep-fatiguedamageshouldbeconsideredintheirdesign.Toclarifytheeffectofratchetingonfatigueandcreep-fatiguelife,aseriesoffatigueandcreep-fatiguetestscoupledwithstrainprogresswerecarriedoutfor316FRstainlesssteel.Itwasfoundthattensileratchetingdecreasesthefailurelifetoalargeextentatsmallstrainrange,whilecompressiveratchetingdoesnotdecreasethefailurelife.Measurementofstriationintervalsonfracturesurfaceshowedsmallinfluenceofstrainincrementonthecrackpropagationrate,suggestingthatthemaincauseofthelifereductionisthedecreaseinthecrackinitiationlife.Itwasalsofoundthatfailurelifeinvariousconditionsiscorrelatedwellwithaproductofstrainrangeandtensilepeakstress.
Journal title :
Nuclear Engineering and Design Eslah
Serial Year :
2008
Journal title :
Nuclear Engineering and Design Eslah
Record number :
895006
Link To Document :
https://search.isc.ac/dl/search/defaultta.aspx?DTC=10&DC=895006
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