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Proceedings Paper

Improvement of metallic surfaces hydrophobicity and corrosion resistance by direct write and combined direct write-DLIP hierarchical micro-nano structuring
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Paper Abstract

The use of pulsed laser irradiation techniques has proven to be a clearly effective procedure for the achievement of surface properties modification via micro-/nano-structuration, different conceptual approaches having been the subject of research and extensively reported in the literature. Beyond the broad spectrum of applications developed for the generation of structured surfaces of metallic materials with specific contact, friction and wear functionalities, the application of laser sources to the surface structuration of metal surfaces for the modification of their wettability and corrosion resistance properties is considered. Multi-scaled hierarchical surface microstructures fabricated on characteristic alloys (the concrete case of Ti6Al4V alloy is considered as example) by the combination of two complementary laser micro/nano-structuring techniques (Direct Laser Writing and Direct Laser Interference Patterning) are reported. Static contact angle measurements show a clearly hydrophobicity enhancement for both types of processing options and a clear improvement on the corrosion resistance of patterned samples of either type is observed. A discussion of the reported features in view of the applicability of the technique to industrial-scope problems is provided.

Paper Details

Date Published: 2 March 2020
PDF: 6 pages
Proc. SPIE 11268, Laser-based Micro- and Nanoprocessing XIV, 112680X (2 March 2020); doi: 10.1117/12.2540810
Show Author Affiliations
J. L. Ocaña, Univ. Politécnica de Madrid (Spain)
D. Huerta-Murillo, Univ. Politécnica de Madrid (Spain)
A. F. Lasagni, Fraunhofer-Institut für Werkstoff- und Strahltechnik IWS (Germany)
Technische Univ. Dresden (Germany)
A. I. Aguilar-Morales, Fraunhofer-Institut für Werkstoff- und Strahltechnik IWS (Germany)
S. Alamri, Fraunhofer-Institut für Werkstoff- und Strahltechnik IWS (Germany)
J. T. Cardoso, Univ. Politécnica de Madrid (Spain)
A. García-Beltrán, Univ. Politécnica de Madrid (Spain)
F. Cordovilla, Univ. Politécnica de Madrid (Spain)
I. Angulo, Univ. Politécnica de Madrid (Spain)

Published in SPIE Proceedings Vol. 11268:
Laser-based Micro- and Nanoprocessing XIV
Udo Klotzbach; Akira Watanabe; Rainer Kling, Editor(s)

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