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Stam** analyses and die design of laser welded automotive body

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Abstract

Computer simulations and test trials are carried out to get the optimal conditions of the design for the stam** of the laser tailor welded automotive body panels. Through test trials with new manufactured die for Tailor Welded Blanks (TWB), the effects of the initial position of blank, blank holding force, drawbead shape, and corner radius are investigated. The results of computer simulations show good correspondence with those of test trials. The results are directly applied to the modification of the die or changing of the forming conditions, to obtain well controlled sound product free from fracture, wrinkling or excessive weld line movement.

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Authors and Affiliations

  1. Department of Mechanical Engineering, Kangwon National University, 192-1 Hyoja-2-dong, 200-701, Chunchon, Korea

    Heon Young Kim & Yong Seung Shin

  2. Kia Technical Center, Kia Motors Co., 992-28 Siheung-dong, 153-030, Kumchon-ku, Seoul, Korea

    Koan Hoi Kim & Won Seok Cho

Authors
  1. Heon Young Kim
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  2. Yong Seung Shin
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  3. Koan Hoi Kim
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  4. Won Seok Cho
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Kim, H.Y., Shin, Y.S., Kim, K.H. et al. Stam** analyses and die design of laser welded automotive body. Metals and Materials 4, 871–877 (1998). https://doi.org/10.1007/BF03026415

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  • DOI: https://doi.org/10.1007/BF03026415

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