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An Analysis of Effect of CO2 Laser Treatment on Carbon Fibre Fabric

1
Department of Materials Science and Engineering, Feng Chia University, No. 100 Wenhwa Rd., Seatwen, Taichung 40724, Taiwan
2
Institute of Textiles and Clothing, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, China
*
Author to whom correspondence should be addressed.
Coatings 2018, 8(5), 178; https://doi.org/10.3390/coatings8050178
Received: 14 March 2018 / Revised: 30 April 2018 / Accepted: 2 May 2018 / Published: 6 May 2018
(This article belongs to the Special Issue Laser Surface Treatment)
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Abstract

The colour of carbon fibre fabric is black which limits its aesthetic properties. CO2 laser has been used for cutting carbon fibres. The impact of CO2 laser treatment to modify the surface of carbon fibre fabric is investigated in this work. Different combinations of laser process parameters, i.e., pixel time (110, 120, 130, 140, 150, 160, 170, 180, 190 and 200 µs, with 10 µs intervals) and resolution (70, 80, 90 and 100 dpi (dots per inch), with 10 dpi intervals), were used for treating carbon fibre fabric surface. Since the laser process is a surface treatment, contact angle measurement was used for evaluating the wetting property imparted after laser processing. The resistivity of the laser-treated carbon fibre fabric was measured to evaluate any effect on the original electrical property of the carbon fibre fabric. Moreover, surface morphology and functionality of laser-treated carbon fibre fabric were assessed by scanning electron microscopy (SEM) and Fourier transform infrared spectroscopy-attenuated total internal reflectance (FTIR-ATR), respectively. SEM assessment was to examine the physical change in the carbon fibre surface after laser processing. On the other hand, the FTIR-ATR measurement can help to evaluate the chemical change in the carbon fibre surface after laser processing. View Full-Text
Keywords: carbon fibre fabric; CO2 laser; contact angle; surface carbon fibre fabric; CO2 laser; contact angle; surface
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Liou, Y.-D.; Chau, K.-H.; Hui, C.-Y.; He, J.-L.; Lam, Y.-L.; Kan, C.-W. An Analysis of Effect of CO2 Laser Treatment on Carbon Fibre Fabric. Coatings 2018, 8, 178.

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