Title of article :
QuantitativestudyofcreepcavityareaofHP40furnacetubesOriginalResearchArticle
Author/Authors :
KaishuGuan، نويسنده , , HONGXU XIA، نويسنده , , ZhiwenWang، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2005
Pages :
10
From page :
1447
To page :
1456
Abstract :
EthylenecrackingtubesofHP40grade(25Cr–35Ni–0.4C)creep-resistantausteniticsteelwhichfailedafter80,000hservicewereinvestigatedforquantitativecavityevaluation.Theresultsshowthatthecreepcavityareafractions(Ω)presentlittledifferencefromoutersurfacetoinnersurfacethroughthethickness,andlargerdifferenceondifferenttubeoutersurfaces.TheΩobtainedfromtheoutersurfacecanstandforcreepdamagestateforethylenecrackingtubes.Therelationshipbetweencreepcavityareafractionandcontinuumdamagemechanicsisdiscussed.Atfailure,thecriticalvalueofdamagevariableD=1iscorrespondingtoΩ=2.8%measuredonthetubeoutersurface.
Journal title :
Nuclear Engineering and Design Eslah
Serial Year :
2005
Journal title :
Nuclear Engineering and Design Eslah
Record number :
894935
Link To Document :
https://search.isc.ac/dl/search/defaultta.aspx?DTC=10&DC=894935
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