Fabrication of four-level hierarchical topographies through the combination of LIPSS and direct laser interference pattering on near-beta titanium alloy

Research output: Contribution to journalResearch articleContributedpeer-review

Contributors

  • Frederic Schell - , Fraunhofer Institute for Material and Beam Technology (Author)
  • Sabri Alamri - , Fraunhofer Institute for Material and Beam Technology, Fusion Bionic GmbH (Author)
  • Avinash Hariharan - , Leibniz Institute for Solid State and Materials Research Dresden (Author)
  • Annett Gebert - , Leibniz Institute for Solid State and Materials Research Dresden (Author)
  • Andres Fabian Lasagni - , Chair of Laser-based Manufacturing, Fraunhofer Institute for Material and Beam Technology (Author)
  • Tim Kunze - , Fraunhofer Institute for Material and Beam Technology, Fusion Bionic GmbH (Author)

Abstract

Complex repetitive periodic surface patterns were produced on a near-beta Ti-13Nb-13Zr alloy, using two-beam Direct Laser Interference Patterning (DLIP) employing a picosecond-pulsed laser source with wavelengths of 355 nm, 532 nm and 1064 nm. Different types of Laser-induced periodic surface structures (LIPSS) are produced, including low and high spatial frequency LIPSS, which are observed frequently on top of the line-like DLIP microstructures, as well as quasi-periodic microstructures with periods greater than the laser wavelength. The feature size of the fabricated LIPSS features could be tuned as function of the utilized laser process parameters.

Details

Original languageEnglish
Article number130920
Number of pages4
JournalMaterials letters
Volume306
Early online dateOct 2021
Publication statusPublished - 1 Jan 2022
Peer-reviewedYes

External IDs

Scopus 85116061082
ORCID /0000-0003-4333-4636/work/196675430

Keywords

Keywords

  • Laser-based microprocessing, Multiscale hierarchical structures, Near-beta titanium alloy, Ultra short pulses