• Title of article

    EvaluationmethodofcorrosionlifetimeofconventionalstainlesssteelcanisterunderoceanicairenvironmentOriginalResearchArticle

  • Author/Authors

    AkioKosaki، نويسنده ,

  • Issue Information
    روزنامه با شماره پیاپی سال 2008
  • Pages
    8
  • From page
    1233
  • To page
    1240
  • Abstract
    NaturalexposureandacceleratedcorrosiontestsofconventionalstainlesssteelsforcanistersofTypes304,304L,and316(LN)forconcretecaskswereconductedusingseveraltestspecimensand1/5scalecanistermodels.Theweldingresidualstressofafull-scalemodelcanisterwasalsomeasuredandthelifetimeofsealabilityofcanistersagainstcorrosionevaluated.ThemaximumpittingrateandcrevicecorrosionrateofType304wereapproximately20and30μm/year.ManySCCinthe4PointBending(4PB)testspecimenswerefoundtoinitiatefromthebottomofthecorrosionareabypittingorcrevicecorrosion.TheSCCpropagationratesinTypes304and304Lundernaturalconditionswerearound1.2E−12to1.8E−11m/sintheK(StressIntensityFactor)rangeof0.6–9.0MPam1/2,andthatoftheacceleratedtest(60°C,95%RHS,filledwithNaClmist)around1.0E−10to3.5E−9m/sintheKrangeof0.5–30MPam1/2.TheSCCpropagationratesunderbothnaturalandacceleratedconditionswereindependentofK.Thelifetimeofsealabilityestimatedfrom1/5scalemodelswaslongerthanthatfromthesmallbendingtestspecimensandhasasafetymarginasastructure.
  • Journal title
    Nuclear Engineering and Design Eslah
  • Serial Year
    2008
  • Journal title
    Nuclear Engineering and Design Eslah
  • Record number

    895082

    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=10&DC=895082