MATEC Web Conf.
Volume 188, 20185th International Conference of Engineering Against Failure (ICEAF-V 2018)
|Number of page(s)||6|
|Section||Composite Materials: Characterization, Mechanical Behavior and Modeling, Advanced Manufacturing Techniques, Multifunctionality|
|Published online||07 August 2018|
Assessing the integrity of CFRPs through nanomechanical mapping: the effect of CF surface modification
Research Unit of Advanced, Composite, Nano-Materials and Nanotechnology (R-Nano Lab), Material Science and Engineering Department, School of Chemical Engineering, National Technical University of Athens,
* Corresponding author: email@example.com
The purpose of this study is to assess the effect of CF surface modification in enhancement of the wetting properties of carbon fibers in order to improve the adhesion force between the fiber and the polymer matrix; for this, the integrity of CFRPs through nanomechanical mapping was evaluated. The surface of commercial carbon fibers was functionalized through cyclic voltammetry in aqueous electrolyte solutions of H2SO4, in the presence of acrylic acid, methacrylic acid, acrylonitrile and N-vinylpyrrolidone monomers. The produced surface modified carbon fibers were embedded in epoxy resin. Elastic modulus nanoindentation mapping was performed in order for elastic modulus to be calculated, as a qualitative assessment of fibre – matrix interaction. For this, a grid protocol was set up for the integrity assessment of CFRPs through nanomechanical mapping.
© The Authors, published by EDP Sciences, 2018
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