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Vertical Fibrous Morphology and Structure-Function Relationship in Natural and Biomimetic Suction-Based Adhesion Discs

  • Beihang University

Research output: Contribution to journal › Article › peer-review

Abstract

Soft yet robust adhesive structural materials are demanded for a variety of robotic applications in the aquatic environment. This work reveals the unique fibrous structure in the suction disc of the remora suckerfish, then designs and engineers a biomimetic prototype for suction-based adhesion. Fundamentally, the work proposes that the vertical fibrous structure enables anisotropic mechanical properties and enhanced adhesion performance in suction discs. Such a relationship is validated via the biomimetic prototypes with vertical nylon fibers embedded in a soft silicone matrix. The work offers new insights into the natural adhesion mechanisms and may revolutionize the design of suction-based adhesive devices for aquatic use.

Original languageEnglish
Pages (from-to)1207-1221
Number of pages15
JournalMatter
Volume2
Issue number5
DOIs
StatePublished - 6 May 2020

Keywords

  • MAP3: Understanding
  • adhesion
  • anisotropy
  • composite
  • electrostatic flocking
  • mechanical property
  • morphology
  • remora
  • soft tissue

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