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The Forming Limit Diagram (FLD) is a useful method for characterizing the formability of sheet metals. In this paper, different numerical models were used to investigate the FLD of Tailor Welded Blanks (TWB). TWB were CO 2 laser-welded of interstitial-free (IF) steel sheets with difference in thickness. Numerical approaches of Müschenborn-Sonne Forming Limit Diagram (MSFLD), Forming...
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