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전만수(M. S. Joun),이장호(J. H. Lee),김민철(M. C. Kim),황지훈(J. H. Hwang),심재원(J. W. Sim),홍석무(S. M. Hong) 한국소성가공학회 2014 한국소성가공학회 학술대회 논문집 Vol.2014 No.10
In this paper, a two-dimensional finite element analysis model for rectangular clad plate drawing is proposed to examine its detailed plastic deformation. Three-dimensional behaviors of plastic deformation of clad plate are investigated using some finite element predictions and finite element predictions of its drawing process are qualitatively compared with the experiments. Based on the observations, a two-dimensional analysis model is proposed, which reveals that relatively thin clad material has little influence on history dependent variables including strain and damage. However, residual stress tends to concentrate very much on the clad material.