Title of article
AunifiedtimedependentmodelforlowcyclefatigueandratchettingfailurebasedonmicrocrackgrowthOriginalResearchArticle
Author/Authors
XianjieYang، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2007
Pages
7
From page
1381
To page
1387
Abstract
Inthispaper,aunifiedtimedependentmodelforlowcyclefatigueandratchettingfailurehasbeendevelopedbasedonthemicrocrackgrowth.ThemodelutilizedfracturemechanicstheoryusingJ-integralundercreep–fatigueloadingandassumedthatthemicrocrackpropagationdeterminesthefailurelife.Themicrocrackratesareseparatedintothreeparts:(1)thetimeindependentfatiguecrackgrowth,(2)thetimedependentfatiguecrackgrowthand(3)thetimedependentratchettingcrackgrowth.Thecyclicfailurecriteriaunderdifferentloadingconditionswerederivedfromthemicrocrackgrowth.Somesimplifiedmodelswereobtainedandtheycancharacterizethetimedependentlowcycleandratchettingfailureliveswithholdtimeandloadingfrequencyeffects.
Journal title
Nuclear Engineering and Design Eslah
Serial Year
2007
Journal title
Nuclear Engineering and Design Eslah
Record number
941398
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