Erosion resistant anti-ice surfaces generated by ultra short laser pulses

D. Arnaldo del Cerro, Gerardus Richardus, Bernardus, Engelina Römer, Bert Huis in 't Veld

Research output: Contribution to journalArticleAcademicpeer-review

19 Citations (Scopus)
65 Downloads (Pure)

Abstract

Wetting properties of a wide range of materials can be modified by accurate laser micromachining with ultra short laser pulses. Controlling the surface topography in a micro and sub-micrometer scale allows the generation of waterrepellent surfaces, which remain dry and prevent ice accumulation under certain conditions. The use of ultra short pulse lasers provides a method to generate a pattern on the surface of hard materials with micrometric scale features that are required for reaching the super-hydrophobic state. Water repellent structures usually have a poor structural strength and as a result their properties are quickly deteriorated when used under working conditions; hence a durable surface is highly desired. The combination of laser processing with plasma techniques provides the means to create robust Lotus-like structures. This paper investigates the anti-ice properties of plasma deposited hard coatings, e.g. diamond-like carbon, in combination with laser machined patterns. These hard coatings with reduced surface energy and adjustable surface topography improve the erosion resistance of super-hydrophobic surfaces, and make them more suitable for use under harsh environmental conditions.
Original languageEnglish
Pages (from-to)231-235
JournalPhysics procedia
Volume5
Issue numberPart A
DOIs
Publication statusPublished - 21 Sep 2010
Event6th International Conference on Laser Assisted Net Shape Engineering 2010 - Erlangen, Germany
Duration: 21 Sep 201024 Sep 2010
Conference number: 6

Keywords

  • IR-79811
  • METIS-267228
  • picosecond
  • super-hydrophobic
  • Ultra-short laser pulses
  • Micro machining
  • Anti-ice

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