Micro and nano-structures found on insect wings - designs for minimising adhesion and friction

Watson, Gregory S., Watson, Jolanta A., Hu, Simon, Brown, Christopher L., Cribb, Bronwen W. and Myhra, Sverre (2010) Micro and nano-structures found on insect wings - designs for minimising adhesion and friction. International Journal of Nanomanufacturing, 5 1/2: 112-128. doi:10.1504/IJNM.2010.029929

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Author Watson, Gregory S.
Watson, Jolanta A.
Hu, Simon
Brown, Christopher L.
Cribb, Bronwen W.
Myhra, Sverre
Title Micro and nano-structures found on insect wings - designs for minimising adhesion and friction
Journal name International Journal of Nanomanufacturing   Check publisher's open access policy
ISSN 1746-9392
Publication date 2010
Sub-type Article (original research)
DOI 10.1504/IJNM.2010.029929
Volume 5
Issue 1/2
Start page 112
End page 128
Total pages 17
Place of publication United Kingdom
Publisher Inderscience Publishers
Collection year 2011
Language eng
Abstract Adhesion and friction have been measured on insect wings where contamination (water and/or contaminating particles) can potentially have a detrimental effect on their flight capabilities or daily functioning. Adhesional forces as low as 2 nN were recorded in air for particles with radii of 10-15 nm, and 20 nN for particles of 31 mm radius. The effective coefficients of friction were in the range of 0.01 to 0.10. The low adhesion and frictional values demonstrate that only very low out-of-plane and in-plane forces are required to remove contaminants of nanometre and micron dimensions from the cuticle membranes. Many of the surfaces demonstrate superhydrophobic properties and will not only reduce the effects of contact with surfaces but also promote a self-cleaning function for removing foreign bodies. It has also been demonstrated that surface structures and properties can be duplicated on polymer surfaces by using the wing membrane as a 'natural template'. Copyright © 2004-2011 Inderscience Enterprises Limited. All rights reserved.
Keyword Materials and manufacturing
Nanoscience and nanotechnology
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2011 Collection
Centre for Microscopy and Microanalysis Publications
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Created: Thu, 10 Mar 2011, 10:14:58 EST by Dr Bronwen Cribb on behalf of Centre for Microscopy and Microanalysis