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방한서(H. S. Bang),차용훈(Y. H. Cha),오율권(Y. K. Oh),노찬승(C. S. Ro),김종명(J. M. Kim) 한국해양공학회 1997 韓國海洋工學會誌 Vol.11 No.1
The welding residual stresses produced by welding frequently cause a crack and promote stress corrosion etc. in heat affected zone contained with external load and weakness of material.<br/> For the purpose of relaxation of welding residual stress, post welding heat treatment (PWHT) is widely used.<br/> In this paper, the computer program which is based on Thermal-Elasto-Plastic-creep theory for plane deformation is developed by finite element method (F.E.M.) and verified its propriety by experimental measurement and also by using the developed computer program.<br/> The mechanical behavior of butt welding joint is clarified during PWHT.