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Analysis and simulation for shape control effects of complex aluminum alloy profile during ECAP

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Abstract

Improving mechanical properties and maintaining shape precisions are both significant for the further developments of aluminum alloy profiles. A new kind of ECAP with rubber mandrels can be innovatively used to form these alloy profiles in recent years. The profiles can be maintained as their initial shapes after pressing through the channel. At the same time, their mechanical properties can be improved. In this paper, analytical method is firstly used to find the mechanical mechanism during this process. Both finite element simulation and physical experiment are used to verify these results obtained by the analytical model. Except for the head and tail parts of the profiles, the shape of middle parts can be maintained well. Based on the stress delivered, severe plastic deformation can be applied in forming process of complex profiles. Better mechanical properties and good shape precisions can be creatively realized in complex profiles at the same time.

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Funding

This work is financially supported by the National Natural Science Foundation of China (Grant No. 51905068, No. 71831002); the Doctor Start-up Fund of Liaoning province (Grant No. 20180540098); the Program for Innovative Research Team in the University of Ministry of Education of China (Grant No. IRT_17R13); the Fundamental Research Funds for the Central Universities (Grant No. 3132019501, 3132019502).

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Authors and Affiliations

  1. Transportation Engineering College, Dalian Maritime University, Dalian, 106026, Liaoning, People’s Republic of China

    Hongyu Wang, Lei Jiang, Guodong Wang, Fei Teng & Juncai Sun

  2. State Key Laboratory of Rolling & Automation, Northeastern University, Shenyang, 110819, Liaoning, People’s Republic of China

    Jie Sun

  3. School of Mechanical Engineering and Automation, Northeastern University, Shenyang, 110819, Liaoning, People’s Republic of China

    Xiangwei Kong

  4. Research Department of Intelligent Manufacturing Equipment, Nanjing Institute of Technology, Nanjing, 110819, Jiangsu, People’s Republic of China

    Zhuwen Yan

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  1. Hongyu Wang
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  2. Lei Jiang
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  3. Guodong Wang
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  4. Fei Teng
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  5. Juncai Sun
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Correspondence to Juncai Sun or Jie Sun.

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Wang, H., Jiang, L., Wang, G. et al. Analysis and simulation for shape control effects of complex aluminum alloy profile during ECAP. Int J Adv Manuf Technol 109, 2559–2573 (2020). https://doi.org/10.1007/s00170-020-05803-y

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  • DOI: https://doi.org/10.1007/s00170-020-05803-y

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