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Rigid-plastic and elastic-plastic finite element analysis on the clinching joint process of thin metal sheets

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Abstract

This article describes the joining of thin metal sheets by a single stroke clinching process. Elastic-plastic and rigid-plastic finite element analysis were applied by employing Coulomb friction and constant shear friction in order to investigate the behavior of the clinch joint formation process. Four process variables, such as die diameter, die depth, groove width, and groove corner radius were selected to investigate the parametric effect on the clinch joint. The strength of clinch joints were evaluated by examining the separation strengths, such as peel strength and tensile shear strength, respectively. A failure diagram was constructed that summarizes the analysis results. The simulation results showed that die diameter and depth were the most decisive parameters for controlling the quality of the clinch joint, while the bottom’s thickness was the most important evaluation parameter to determine the separation strengths.

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Authors and Affiliations

  1. Department of Mechanical Engineering, Inha University, 253 Yong Hyun-Dong, Nam-Ku, Inchon, 402-751, Korea

    Vishara Jayasekara, Kyung Ho Min, Jeong Hoon Noh, Min Tae Kim, Jeong Min Seo & Beong Bok Hwang

  2. Department of Mechanical Engineering, Dongguk University, 3ga 26, Pil-dong, Choong-gu, Seoul, 100-715, Korea

    Ho Yong Lee

Authors
  1. Vishara Jayasekara
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  2. Kyung Ho Min
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  3. Jeong Hoon Noh
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  4. Min Tae Kim
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  5. Jeong Min Seo
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  6. Ho Yong Lee
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  7. Beong Bok Hwang
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Corresponding author

Correspondence to Beong Bok Hwang.

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Jayasekara, V., Min, K.H., Noh, J.H. et al. Rigid-plastic and elastic-plastic finite element analysis on the clinching joint process of thin metal sheets. Met. Mater. Int. 16, 339–347 (2010). https://doi.org/10.1007/s12540-010-0427-7

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  • DOI: https://doi.org/10.1007/s12540-010-0427-7

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