| Issue |
MATEC Web Conf.
Volume 349, 2021
6th International Conference of Engineering Against Failure (ICEAF-VI 2021)
|
|
|---|---|---|
| Article Number | 01006 | |
| Number of page(s) | 9 | |
| Section | Composite Materials: Characterization, Mechanical Behavior and Modeling, Multifunctionality, Advanced Manufacturing Techniques | |
| DOI | https://doi.org/10.1051/matecconf/202134901006 | |
| Published online | 15 November 2021 | |
Effect of Impact Modifiers on Strength and Fracture Toughness of CFRPs
National Technical University of Athens, Department of Chemical Engineering, RNANO Lab – Research Unit of Advanced, Composite, Nanomaterials and Nanotechnology, 9 Heroon Polytechneiou st., Zografos Athens, GR-15773
The aim of this work is to study the effect of core-shell rubbers on the mechanical properties of CFRPs.For the preparation of composites, two types of resins were used, a three-component Araldite resin (resin-hardener-accelerator system in proportions of 100-90-0,5 by weight respectively), and MX 156, which contains 25 % core-shell elastomers and 75 % Araldite resin. Depending on the mechanical test, two types of carbon fibre fabrics (UD C415, G0926) are used with corresponding number of layers. The composites were prepared by vacuum infusion and cut to the appropriate dimensions by water-cutting. They were tested for mechanical performance, by bending, shearing, tensile, impact and fracture toughness tests, to compare the properties of CSR-containing composites and reference CFRPs. Fracture analysis of specimens was performed by scanning electron microscopy (SEM). The results exhibited a 50% increase in impact strength while the energy absorbed during the fracture toughness test was 4 times greater on specimens with CSR than reference.
© The Authors, published by EDP Sciences, 2021
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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