Fabrication of multi-scale periodic surface structures on Ti-6Al-4V for modified wettability applications by Direct Laser Writing and Direct Laser Interference Patterning

Huerta Murillo, Daniel, Aguilar-Morales, A. I., Alamri, S., Cardoso, José Teixeira, Jagdheesh, Radhakrishnan, Lasagni, A. F. and Ocaña Moreno, José Luis (2018). Fabrication of multi-scale periodic surface structures on Ti-6Al-4V for modified wettability applications by Direct Laser Writing and Direct Laser Interference Patterning. In: "LASER4FUN project", X, Zaragoza. p. 1.

Description

Title: Fabrication of multi-scale periodic surface structures on Ti-6Al-4V for modified wettability applications by Direct Laser Writing and Direct Laser Interference Patterning
Author/s:
  • Huerta Murillo, Daniel
  • Aguilar-Morales, A. I.
  • Alamri, S.
  • Cardoso, José Teixeira
  • Jagdheesh, Radhakrishnan
  • Lasagni, A. F.
  • Ocaña Moreno, José Luis
Item Type: Presentation at Congress or Conference (Poster)
Event Title: LASER4FUN project
Event Dates: X
Event Location: Zaragoza
Title of Book: LASER4FUN project
Date: 2018
Subjects:
Faculty: E.T.S.I. Industriales (UPM)
Department: Física Aplicada e Ingeniería de Materiales
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

Hierarchical surface patterns fabricated on Ti-6Al-4V alloy combining two laser micro-machining techniques are presented. The used technologies are based on nanosecond Direct Laser Writing and picosecond Direct Laser Interference Patterning. Squared shape micro-cells with different hatch distances were produced by Direct Laser Writing with depths values in the micro-scale, forming a well-defined closed packet. Subsequently, cross-like periodic patterns were fabricated by means of Direct Laser Interference Patterning using a two-beam configuration, generating a dual-scale periodic surface structure in both micro- and nano-scale due to the formation of Laser-Induced Periodic Surface Structure after the picosecond process. As a result a triple hierarchical periodic surface structure was generated. The surface morphology of the irradiated area was characterized with scanning electron microscopy and confocal microscopy. Additionally, static contact angle measurements were made to analyze the wettability behavior of the structures, showing a hydrophobic behavior for the hierarchical structures.

Funding Projects

Type
Code
Acronym
Leader
Title
Horizon 2020
675063
LASER4FUN
Unspecified
EUROPEAN ESRs NETWORK ON SHORT PULSED LASER MICRO/NANOSTRUCTURING OF SURFACES

More information

Item ID: 55060
DC Identifier: https://oa.upm.es/55060/
OAI Identifier: oai:oa.upm.es:55060
Official URL: https://www.laser4fun.eu/
Deposited by: Memoria Investigacion
Deposited on: 23 May 2019 15:04
Last Modified: 23 May 2019 15:04
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