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이봉열(B.Y.Lee),조종래(J.R.Cho),문영훈(Y.H.Moon) 대한기계학회 2003 대한기계학회 춘추학술대회 Vol.2003 No.4
The welding residual stress has on important effect welding deformation, fatigue fracture, buckling strength, brittle fracture, etc. For the purpose of relaxation of welding residual stress, post welding heat treatment is widely used. In this paper, residual stresses were calculated by two dimensional thermal elasto-plastic analysis using finite element method. Heat transfer analysis are performed by transient analysis. Also structure analysis are carried out by of thermal-mechanical coupled analysis. Numerical analysis are used by ANSYS 5.7.