Product Code: ICA10_P120

Ultra Short Laser Pulse Generation of Anti-Ice Surfaces
Authors:
Daniel Arnaldo del Cerro, University of Twente, Faculty Engineeing Technology, Chair of Applied Laser Technology; - Netherlands
G.R.B.E. Römer, University of Twente, Faculty of Engineering Technology, Chair of Applied Laser Technology; Enschede Netherlands
A.J. Huis in 't Veld, University of Twente, Faculty Engineeing Technology, Chair of Applied Laser Technology / TNO Science & Industry Department Materials Technology; Enschede Netherlands
Presented at ICALEO 2010

Wetting properties of many materials can be changed by accurate laser micromachining with ultra short laser pulses (USLP). USLP machining provides a method for creating a surface topography with the specific micro and sub-micrometer scale features which are required for creating water-repellent surfaces. These structures with a high water contact angle and low contact angle hysteresis remain dry, and can be used as anti-ice coatings because of its reduced ice-adhesion strength and easy water roll of. This paper investigates the potential anti-ice properties of laser machined designed patterns with changing geometries, in combination with a CVD deposited hydrophobic coating. The result of a highly adjustable surface topography and a reduced surface energy yields extraordinary water repellent properties.