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

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A biomimetic approach for effective reduction in micro-scale friction by direct replication of topography of natural water-repellent surfaces

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Title
A biomimetic approach for effective reduction in micro-scale friction by direct replication of topography of natural water-repellent surfaces
Other Titles
A biomimetic approach for effective reduction in micro-scale friction by direct replication of topography of natural water-repellent surfaces
Author
Singh, R. ArvindKim, Hong JoonKim, JinseokYang, SungwookJeong, Hoon EuiSuh, Kahp Y.Yoon, Eui-Sung
Keywords
lithography; biomimetic; polymer; micro; friction; tribology
Issue Date
2007-04
Publisher
KOREAN SOC MECHANICAL ENGINEERS
Citation
JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY, v.21, no.4, pp.624 - 629
Abstract
In this paper, we report on the replication of surface topographies of natural leaves of water-repellent plants of Lotus and Colocasia onto thin polymeric films using a capillarity-directed soft lithographic technique. The replication was carried out on poly(methyl methacrylate) (PMMA) film spin coated on silicon wafer using poly(dimethyl siloxane) (PDMS) molds. The friction properties of the replicated surfaces were investigated at micro-scale in comparison with those of PMMA thin film and silicon wafer. The replicated surfaces exhibited superior friction property when compared to those of PMMA thin film and silicon wafer. The superior friction behaviour of the replicated surfaces was attributed to the reduced real area of contact projected by them
URI
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DOI
10.1007/BF03026967
ISSN
1738-494X
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