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Comparison of formabilities of stainless steel 316L bipolar plates using static and dynamic load stamping

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Abstract

In this study, SUS316L is selected as an ideal material because of its easy workability and excellent corrosion resistance. The press equipment used in this study is a material testing system with a rated load of 25 t. Bipolar plates are manufactured, and their formabilities are evaluated according to various parameters (type of load, load size, die radius (R), and number of cycles) for dynamic load stamping. The bipolar plate formed using a sine-wave dynamic load (17 cycles, load of 50–120 kN) with a die radius of 0.3 mm has 15.0 % deeper channels than one formed with a static load of 120 kN. Moreover, when R is 0.1 mm, the bipolar plate formed using a square-wave dynamic load has 26 % deeper channels than one formed with a static load. Plates formed using sine-wave dynamic loads with R values of 0.1 and 0.3 mm have channel depths of 0.320 and 0.445 mm, respectively. Compared to an R value of 0.1 mm, the use of an R value of 0.3 mm produces channels that are 28 % deeper.

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Authors and Affiliations

  1. Graduate School of Mechanical and Precision Engineering, Pusan National University, San 30 Chang Jun-dong, Geum Jung-Gu, Busan, 609-735, South Korea

    Min-June Kim & Chul-Kyu Jin

  2. School of Mechanical Engineering, Pusan National University, San 30 Chang Jun-dong, Geum Jung-Gu, Busan, 609-735, South Korea

    Chung Gil Kang

Authors
  1. Min-June Kim
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  2. Chul-Kyu Jin
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  3. Chung Gil Kang
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Correspondence to Chung Gil Kang.

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Kim, MJ., Jin, CK. & Kang, C.G. Comparison of formabilities of stainless steel 316L bipolar plates using static and dynamic load stamping. Int J Adv Manuf Technol 75, 651–657 (2014). https://doi.org/10.1007/s00170-014-5986-1

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  • DOI: https://doi.org/10.1007/s00170-014-5986-1

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