Surface Modification of Carbon Fiber Polymer Composites after Laser Structuring
The increasing use of Carbon Fiber-reinforced Polymer matrix Composites (CFPC) as a lightweight material in automotive and aerospace industries requires the control of surface morphology. In this study, the composites surface was prepared by ablating the resin on the top fiber layer of the composite using an Nd:YAG laser. The CFPC specimens with T700S carbon fiber and Prepreg — T83 resin (epoxy) were supplied by Plasan Carbon Composites, Inc. as 4 ply thick, 0/90° plaques. The effect of laser fluence, scanning speed, and wavelength was investigated on the removal rate of the resin without an excessive damage of the fibers. In addition, resin ablation due to the power variation created by a laser interference technique is presented. Optical property measurements, optical micrographs, 3D imaging, and high-resolution optical profiler images were used to study the effect of the laser processing on surface morphology.
Keywordslaser interference carbon fiber polymer matrix composites
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- 5.Warren, CD., Paulauskas, F.L., and Bowman, R.G., “Laser Ablation Assisted Adhesive Bonding of Automotive Structural Composites,” ORNL/CP-102637, ICCM-12, Paris France, July 3–9 (1999).Google Scholar
- 6.Lima, M. S. F.; Sakamoto, J. M. S.; Simoes, J. G. A.; Riva, R., Laser processing of carbon fiber reinforced polymer composite for optical fiber guidelines, Lasers In Manufacturing (LEVI 2013), Physics Procedia, Ed. by Emmelmann C; Zaeh MF; Graf T; Schmidt M, Vol. 41, pp. 565–573,2013.Google Scholar
- 7.C. Daniel, F. Mücklich, Z. Liu, Periodical micro-nano-structuring of metallic surfaces by interfering laser beams, Appl. Surf Sci. 208–209 (2003) 317–321Google Scholar
- 8.C. Daniel, F. Mücklich, Quantification of periodical surface structures by white light interferometry, Prakt. Metallogr. 41 (2004) 6, 277–285.Google Scholar
- 9.F. Mücklich, C. Daniel, A. Lasagni, F. Yu, Direct Surface Patterning Induced by Interfering Laser Beams, Mat. Res. Soc. Symp. Proc. Vol. EXS-2 (2004) M1 1.1Google Scholar