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Related Experiment Video

Updated: Nov 21, 2025

Fabrication of Superhydrophobic Metal Surfaces for Anti-Icing Applications
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Icephobic Performance of Multi-Scale Laser-Textured Aluminum Surfaces for Aeronautic Applications.

Stephan Milles1, Vittorio Vercillo2, Sabri Alamri3

  • 1Institute of Manufacturing Science and Engineering, Technische Universität Dresden, George-Bähr, Str. 3c, 01069 Dresden, Germany.

Nanomaterials (Basel, Switzerland)
|January 12, 2021
PubMed
Summary

Laser surface treatments create micro-textures on aluminum, significantly reducing ice adhesion strength by approximately 90%. This innovation offers a stable, environmentally friendly method for preventing aircraft icing and improving aerodynamic performance.

Keywords:
aluminumdirect laser interference patterningicephobicitymulti-scale texturessuperhydrophobicity

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Area of Science:

  • Materials Science
  • Aerodynamics
  • Surface Engineering

Background:

  • Ice accumulation on aircraft surfaces degrades aerodynamic performance.
  • Current ice-prevention coatings have stability issues and environmental concerns.
  • Pulsed laser surface treatments offer a potential method for creating ice-repellent surfaces.

Purpose of the Study:

  • To investigate the effectiveness of laser-induced micro-textures in reducing ice adhesion on aluminum surfaces.
  • To identify optimal microstructures for enhanced icephobicity.
  • To evaluate the performance of these surfaces under simulated icing conditions.

Main Methods:

  • Aluminum surfaces were treated using pulsed laser methods to create various micro-textures.
  • Ice adhesion strength was measured using an icing wind tunnel simulating atmospheric icing conditions.
  • The resulting icephobic performance was quantified by comparing adhesion strength before and after treatment.

Main Results:

  • Optimized surface textures significantly reduced ice adhesion strength from 57 kPa to 6 kPa.
  • This represents a relative reduction of approximately 90% in ice adhesion.
  • Laser surface texturing demonstrates a highly effective method for achieving icephobicity.

Conclusions:

  • Pulsed laser surface treatment is a viable technology for creating highly ice-repellent aluminum surfaces.
  • The study identified specific microstructures that drastically reduce ice adhesion.
  • This research provides a foundation for developing advanced, functionalized surfaces to prevent aircraft icing.