Effects of Femtosecond Laser Surface Treatment on Glass Fiber Reinforced Composites Produced by Pultrusion

Vaczkó, Dániel and Weltsch, Zoltán and Keresztes, Róbert (2024) Effects of Femtosecond Laser Surface Treatment on Glass Fiber Reinforced Composites Produced by Pultrusion. ACTA MATERIALIA TRANSYLVANICA (EN), 7 (2). pp. 113-116. ISSN 2601-8799

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Abstract

In this study, we evaluated the effectiveness of laser surface treatment on flat, glass fiber-reinforced profilesproduced by pultrusion. The experiments used a Coherent Monaco 1035-80-60 femtosecond laser, where themain parameter was laser power. The treated samples were examined with an Olympus OLS5000 confocalmicroscope, measuring the depth and area of the grooves created by the laser beam. The data were plottedas a function of power. Our results show that the increase in depth is not proportional to power, while thereis a close correlation between changes in depth and area. These findings shed new light on the potential industrial applications of laser surface treatment for pultrusion-manufactured glass fiber-reinforced profiles,particularly concerning surfaces prepared for bonding.

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