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- Title
Mechanical strength of epoxy/organoclay/carbon fiber hybrid composites.
- Authors
Oliwa, Rafal; Heneczkowski, Maciej; Oliwa, Joanna; Oleksy, Mariusz
- Abstract
The influence of organoclay (bentonite BS) modified with quaternary ammonium (QAS) and phosphonium salts (QPS) on the mechanical properties of epoxy/organoclay/carbon fiber hybrid composites was investigated. The longitudinal flexural strength of the composites containing 1 wt % BSQAS and BSQPS increased by 4 and 10 %, respectively, compared to the reference sample (epoxy resin/carbon fiber). Moreover, there was also a significant improvement, up to 13 %, of Young's modulus and transverse elastic modulus for the composites with modified bentonites. On the basis of the atomic force microscopy cross-section analysis (AFM), it was found that the composites with matrix containing the modified bentonites were characterized with larger interfacial surface, about 50 %, than that of unmodified matrix (epoxy resin/carbon fiber).
- Subjects
EPOXY resins; CARBON fibers; FLEXURAL strength; ATOMIC force microscopy; QUATERNARY ammonium compounds
- Publication
Polimery, 2017, Vol 62, Issue 9, p658
- ISSN
0032-2725
- Publication type
Article
- DOI
10.14314/polimery.2017.658