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