• 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