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- Jeong, Hoon Eui
- Multiscale Biomimetics and Manufacturing Lab.
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Effect of leaning angle of gecko-inspired slanted polymer nanohairs on dry adhesion
- Author(s)
- Jeong, Hoon Eui, Lee, Jin-Kwan, Kwak, Moon Kyu, Moon, Sang Heup, Suh, Kahp Yang
- Issued Date
- 2010-01
- 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.
- Publisher
- AMER INST PHYSICS
- ISSN
- 0003-6951
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