• Title of article

    EffectofloadingrateuponfracturebehaviorofferriticsteelunderlargescaledyieldingOriginalResearchArticle

  • Author/Authors

    Ki-JuKang، نويسنده , , Si-YoungKim، نويسنده , , Heon-JoongKim، نويسنده , , Dae-YeulJeung، نويسنده ,

  • Issue Information
    روزنامه با شماره پیاپی سال 2003
  • Pages
    8
  • From page
    11
  • To page
    18
  • Abstract
    Dynamicloadingtoferromagneticmaterialsandlargescaledyieldingresultinpeakorvalleyandnon-linearcurve,respectively,ontheDirectCurrentPotentialDrop(DCPD)versusCrackOpeningDisplacement(COD)plots,whichmakeitdifficulttodeterminethecrackinitiationpoint.Inthisworkhighintensityofcurrentupto100AwasappliedtothespecimensofSA106Gr.Cferriticsteelandthecrackgrowthbehaviorwasdirectlymonitoredbyahighspeedcameratoobtainthecrackinitiationpoint.Theeffectsofloadingrateupto1200mmmin−1uponthefractureresistancewereexplored.Astheresults,ithasbeenshownthat,althoughnosubstantialdifferencewasseenintheload–CODplots,thecrackinitiationandthenJiandJ–Rcurvewerequitesensitivetotheloadingrate.Thatis,undertheloadingrateof300mmmin−1thematerialshowedtheworstfractureresistancethanunderstaticloadingandevenunderthehigherloadingratesof600and1200mmmin−1.AlsoapplyingthehighspeedcameraandhighcurrentsourcehavebeenprovedtobeaneffectivewaytofindouttheaccuratecrackinitiationpointandtocompensatethepulseofDCPDduetotheferromagneticeffect.
  • Journal title
    Nuclear Engineering and Design Eslah
  • Serial Year
    2003
  • Journal title
    Nuclear Engineering and Design Eslah
  • Record number

    894474

    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=10&DC=894474