STUDY ON PERFORMANCE OF CO2 LASER IN PAINT REMOVAL OVER SELECTED NATIONAL CAR MODEL
DOI:
https://doi.org/10.11113/jt.v78.7500Keywords:
CO2 laser, Paint removal, Car coated substrate, Thermal decompositionAbstract
A technique to determine the optimum parameters of 30 Watt Continuous Wave (CW) CO2 laser paint removal has been developed on national car coated substrate. This paper reports on the results of studies carried out on two different coating thicknesses; 196 µm and 201 µm using CW CO2 lasers operating at 10, 600 nm wavelength and relatively high beam power from 40%, 50%, 60%, 70%, 80% and 90% out of 30 Watt. Empirical data were presented to demonstrate the optimum power required for paint stripping process. Macro analysis was done to prove the stripping process was in line with the increase of power percentage applied, whereas microanalysis using EDX and SEM revealed the atomic composition and surface roughness of the crater.
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