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Numerical simulation of the electromagnetic hot forming process of 7075-T6 aluminum alloy

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Abstract

To solve the problem that 7075 aluminum alloy tends to fracture during conventional forming processes, a novel forming method (electromagnetic hot forming) is introduced and investigated in this paper. The optimum mesh number (in the thickness direction) is obtained for loose-coupling method and sequential-coupling method. Then, both the loose-coupling method and the sequential-coupling method are compared with the hot forming process, and the dynamic sheet-deformation process is analyzed. With increasing temperature, the sheet forming height decreases before it increases. The simulation results, which are calculated using the sequential-coupling method, are consistent with the experimental results for four different temperatures. However, regardless of the forming temperature, either the sheet profile or the maximum forming height of the loose-coupling method differs significantly from the experimental results.

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Funding

This work was supported by the National Natural Science Foundation of China (Grant Numbers: 51775563 and 51405173), Innovation Driven Program of Central South University (Grant Number: 2019CX006), the Project of State Key Laboratory of High Performance Complex Manufacturing, Central South University (ZZYJKT2020-02).

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Authors and Affiliations

  1. College of Mechanical and Electrical Engineering, Central South University, Changsha, 410083, China

    Changqing Huang, Zanshi Deng & Xiaohui Cui

  2. Light Alloy Research Institute, Central South University, Changsha, 410083, China

    Changqing Huang, Xiaohui Cui & Zhihao Du

  3. State Key Laboratory of High Performance Complex Manufacturing, Central South University, Changsha, 410083, People’s Republic of China

    Xiaohui Cui

Authors
  1. Changqing Huang
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  2. Zanshi Deng
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  3. Xiaohui Cui
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  4. Zhihao Du
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Contributions

Changqing Huang: conceptualization, methodology, investigation, writing—original draft. Zanshi Deng: simulation, experiments, writing original draft. Xiaohui Cui: conceptualization, validation, writing—review and editing, funding acquisition. Zhihao Du: investigation, formal analysis.

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Correspondence to Xiaohui Cui.

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Huang, C., Deng, Z., Cui, X. et al. Numerical simulation of the electromagnetic hot forming process of 7075-T6 aluminum alloy. Int J Adv Manuf Technol 120, 149–158 (2022). https://doi.org/10.1007/s00170-021-08581-3

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  • DOI: https://doi.org/10.1007/s00170-021-08581-3

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