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Jeong, Hoon Eui
Multiscale Biomimetics & Manufacturing Lab
Research Interests
  • Biomimetics
  • Multiscale manufacturing
  • Micro/nanofabrication

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Effect of leaning angle of gecko-inspired slanted polymer nanohairs on dry adhesion

Cited 21 times inthomson ciCited 17 times inthomson ci
Title
Effect of leaning angle of gecko-inspired slanted polymer nanohairs on dry adhesion
Author
Jeong, Hoon EuiLee, Jin-KwanKwak, Moon KyuMoon, Sang HeupSuh, Kahp Yang
Keywords
Adhesion hysteresis; Adhesion properties; Contact areas; Dry adhesion; Hard material; Leaning angles; Polyurethane acrylates; Structural stiffness; Ultra-violet
Issue Date
2010-01
Publisher
AMER INST PHYSICS
Citation
APPLIED PHYSICS LETTERS, v.96, no.4, pp.043704 -
Abstract
We present analysis of adhesion properties of angled polymer nanohairs with a wide range of leaning angles from 0° to 45° and ultraviolet (UV)-curable polyurethane acrylate (PUA) materials of two different elastic moduli (19.8 and 320 MPa). It is demonstrated that shear adhesion and adhesion hysteresis can be greatly enhanced by increasing the leaning angle of nanohairs both for soft and hard materials due to increased contact area and reduced structural stiffness.
URI
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DOI
10.1063/1.3298554
ISSN
0003-6951
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