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Surface Modification of Carbon Fiber Polymer Composites after Laser Structuring

  • Adrian S. Sabau
  • Jian Chen
  • Jonaaron F. Jones
  • Alexandra Hackett
  • Gerald D. Jellison
  • Claus Daniel
  • David Warren
  • Jackie D. Rehkopf

Abstract

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.

Keywords

laser interference carbon fiber polymer matrix composites 

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Copyright information

© TMS (The Minerals, Metals & Materials Society) 2015

Authors and Affiliations

  • Adrian S. Sabau
    • 1
  • Jian Chen
    • 1
  • Jonaaron F. Jones
    • 2
  • Alexandra Hackett
    • 2
  • Gerald D. Jellison
    • 1
  • Claus Daniel
    • 1
  • David Warren
    • 1
  • Jackie D. Rehkopf
    • 3
  1. 1.Oak Ridge National LaboratoryOak RidgeUSA
  2. 2.University of TennesseeKnoxvilleUSA
  3. 3.Plasan Carbon CompositesBenningtonUSA

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