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Numerical and experimental study of formability in deep drawing of two-layer metallic sheets

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Abstract

In this paper, the formability of two-layer (aluminum-st12 steel) sheets in the deep drawing process was investigated through numerical simulations and experiments. The purpose of this research was to obtain more formability in deep drawing process. The limit drawing ratio (LDR) was obtained in deep drawing of two-layer metallic sheets, with aluminum inner layer which was in contact with the punch and steel outer layer which was in contact with the die. Finite element simulations were performed to study the effect of parameters such as the thickness of each layer, value of die arc radius, friction coefficient between blank and punch, friction coefficient between blank and die, and lay up on the LDR. Experiments were conducted to verify the finite element simulations. The results indicated that the LDR was dependent on the mentioned parameters, so the LDR and as a result the two-layer metallic sheet formability could be increased by improvement of these parameters in deep drawing process.

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Authors and Affiliations

  1. School of Mechanical Engineering, Iran University of Science and Technology, Tehran, Iran

    Ehsan Karajibani

  2. Mechanical Engineering Department, Faculty of Engineering and Technology, Imam Khomeini International University, Qazvin, Iran

    Ali Fazli

  3. School of Mechanical Engineering, Iran University of Science and Technology, Tehran, Iran

    Ramin Hashemi

Authors
  1. Ehsan Karajibani
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  2. Ali Fazli
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  3. Ramin Hashemi
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Correspondence to Ramin Hashemi.

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Karajibani, E., Fazli, A. & Hashemi, R. Numerical and experimental study of formability in deep drawing of two-layer metallic sheets. Int J Adv Manuf Technol 80, 113–121 (2015). https://doi.org/10.1007/s00170-015-6978-5

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  • DOI: https://doi.org/10.1007/s00170-015-6978-5

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