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Proceedings Paper

Surface modification of titanium alloy using a Q-switched diode-pumped solid state laser at 355 nm
Author(s): Mingwei Li; NeShante Morris; Steven Mwenifumbo; Mark S. Keirstead; Wole Soboyejo
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Paper Abstract

The current paper presents the results of recent studies of the effects of laser processing parameters on the microstructure and surface topology of laser grooved Ti-6Al-4V surfaces used for biomedical applications. Laser micro-grooves are produced using a diode pumped solid state (DPSS) lasers at 355 nm and different pulse repetition frequencies (PRF). The underlying microstructures and surface topologies of the grooves are then characterized using scanning electron microscopy (SEM). Laser/material interaction mechanisms are discussed and optimal laser processing parameters are developed. The implications of the microstructural and topological features are then assessed for cell/surface interactions and adhesion.

Paper Details

Date Published: 19 February 2003
PDF: 6 pages
Proc. SPIE 4830, Third International Symposium on Laser Precision Microfabrication, (19 February 2003); doi: 10.1117/12.486569
Show Author Affiliations
Mingwei Li, Spectra-Physics, Inc. (United States)
NeShante Morris, Princeton Univ. (United States)
Steven Mwenifumbo, Princeton Univ. (United States)
Mark S. Keirstead, Spectra-Physics, Inc. (United States)
Wole Soboyejo, Princeton Univ. (United States)

Published in SPIE Proceedings Vol. 4830:
Third International Symposium on Laser Precision Microfabrication
Isamu Miyamoto; Kojiro F. Kobayashi; Koji Sugioka; Reinhart Poprawe; Henry Helvajian, Editor(s)

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