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Development of novel tools for electricity-assisted incremental sheet forming of titanium alloy

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Abstract

As a new flexible forming method, the electricity-assisted incremental sheet forming (E-ISF) provides concentrated local heating to improve the formability and can further expand the application of the incremental sheet forming (ISF) process on conventional “hard-to-form” materials such as titanium alloy. However, E-ISF process is questioned by rough surface integrity of the formed part and severe tool wear. Driven by these challenges, several novel tools have been designed by employing inner water cooling system and rolling tool end design, and the performances were validated by forming Ti6Al4V sheet. Experimental results suggest that the tool with rolling ball end and inner water cooling reduces the surface wear on the tool tip and improves the surface finish of the formed part.

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Author notes

    Authors and Affiliations

    1. Department of Plasticity Technology, Shanghai Jiao Tong University, Shanghai, 200030, China

      Runze Liu, Bin Lu, Dongkai Xu & Jun Chen

    2. Department of Mechanical Engineering, University of Sheffield, Sheffield, S13JD, UK

      Bin Lu & Hui Long

    3. State Key Laboratory of Development & Application Technology of Auto Steels, Shanghai, 201900, China

      Dongkai Xu

    4. Department of Mechanical, Materials and Manufacturing Engineering, University of Nottingham, Nottingham, NG7 2RD, UK

      Fei Chen & Hengan Ou

    Authors
    1. Runze Liu
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    2. Bin Lu
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    3. Dongkai Xu
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    4. Jun Chen
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    5. Fei Chen
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    6. Hengan Ou
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    7. Hui Long
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    Corresponding author

    Correspondence to Jun Chen.

    Additional information

    Runze Liu and Bin Lu contributed equally to this work.

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    Cite this article

    Liu, R., Lu, B., Xu, D. et al. Development of novel tools for electricity-assisted incremental sheet forming of titanium alloy. Int J Adv Manuf Technol 85, 1137–1144 (2016). https://doi.org/10.1007/s00170-015-8011-4

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    • DOI: https://doi.org/10.1007/s00170-015-8011-4

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