Eventos Anais de eventos
COBEM 2021
26th International Congress of Mechanical Engineering
SURFACE MODIFICATION OF TI6AL4V ALLOY BY PULSED LASER: INFLUENCE OF PARAMETERS VARIATION
Submission Author:
ROGERIO GOES DOS SANTOS , SP
Co-Authors:
ROGERIO GOES DOS SANTOS, Gleicy Ribeiro, Gilmar Batalha
Presenter: ROGERIO GOES DOS SANTOS
doi://10.26678/ABCM.COBEM2021.COB2021-1939
Abstract
An ytterbium pulsed laser was used to modify Ti-6Al-4V surfaces. With pulse duration of 150 ns and wavelength of 1,064 nm, the laser variation was based on three parameters: speed, power and number of passes. Was observed the influence of this laser parameters variation on surfaces characteristics. In this sense, this work sought to identify correlations between pulsed laser parameters (nanosecond temporal width) and effects generated in grade 5 titanium (Ti-6Al-4V alloy) in terms of roughness and topography, effects directly associated with osseointegration of prostheses and dental implants. The methodology of planning the experiment and characterizing the surfaces are described, as well as the methods for extracting effects are detailed. It was found that the three parameters used for laser variation (speed, power and number of passes) influenced the roughness values and topography pattern. The increase in speed and the number of steps contributes to the increase in roughness, while the increase in power caused a reduction.
Keywords
Pulsed laser parameters, Surface modification, surface characterization, surface integrity, Dental Implants
