Bioinspired Reversible Interlocker Using Regularly Arrayed High Aspect-Ratio Polymer Fibers

Authors

  • Changhyun Pang,

    1. Division of WCU Multiscale Mechanical Design, School of Mechanical and Aerospace Engineering, Seoul National University, Seoul 151-742, Korea
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  • Tae-il Kim,

    1. Division of WCU Multiscale Mechanical Design, School of Mechanical and Aerospace Engineering, Seoul National University, Seoul 151-742, Korea
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  • Won Gyu Bae,

    1. Interdisciplinary program of Bioengineering, Seoul National University, Seoul 151-742, Korea
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  • Daeshik Kang,

    1. Division of WCU Multiscale Mechanical Design, School of Mechanical and Aerospace Engineering, Seoul National University, Seoul 151-742, Korea
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  • Sang Moon Kim,

    1. Division of WCU Multiscale Mechanical Design, School of Mechanical and Aerospace Engineering, Seoul National University, Seoul 151-742, Korea
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  • Kahp-Yang Suh

    Corresponding author
    1. Division of WCU Multiscale Mechanical Design, School of Mechanical and Aerospace Engineering, Seoul National University, Seoul 151-742, Korea
    • Division of WCU Multiscale Mechanical Design, School of Mechanical and Aerospace Engineering, Seoul National University, Seoul 151-742, Korea.

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Abstract

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A reversible interlocker that is inspired by the wing locking device of beetles is presented. It exploits the van der Waals force-assisted binding between high-aspect-ratio polymer fibers. The two-layered interlocker is highly flexible and displays an extremely high shear locking force and easy normal lift-off.

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