Surface modification of titanium alloy using a Q-switched diode-pumped solid state laser at 355 nm

Mingwei Li; NeShante Morris; Steven Mwenifumbo; Mark S. Keirstead; Wole Soboyejo

doi:10.1117/12.486569

19 February 2003 Surface modification of titanium alloy using a Q-switched diode-pumped solid-state laser at 355 nm

Mingwei Li, NeShante Morris, Steven Mwenifumbo, Mark S. Keirstead, Wole Soboyejo

Proceedings Volume 4830, Third International Symposium on Laser Precision Microfabrication; (2003) https://doi.org/10.1117/12.486569
Event: LAMP 2002: International Congress on Laser Advanced Materials Processing, 2002, Osaka, Japan

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.

Citation Download Citation

Mingwei Li, NeShante Morris, Steven Mwenifumbo, Mark S. Keirstead, and Wole Soboyejo "Surface modification of titanium alloy using a Q-switched diode-pumped solid-state laser at 355 nm", Proc. SPIE 4830, Third International Symposium on Laser Precision Microfabrication, (19 February 2003); https://doi.org/10.1117/12.486569

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