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Effectiveness of carbon microcoils as a reinforcing material for a polymer matrix |
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| Authors: | K Yoshimura K Nakano Y Hishikawa |
| Affiliation: | a Nagoya Municipal Industrial Research Institute, Atsuta-ku, Nagoya 456-0058, Japan b CMC Technology Development Co. Ltd., Kakamigahara, Gifu 509-0108, Japan c Department of Applied Chemistry, Faculty of Engineering, Gifu University, Gifu 501-1193, Japan |
| Abstract: | Spring-shaped carbon microcoils (CMCs) were embedded in epoxy resins to form CMC/epoxy resin composites. The mechanical properties of the composites were examined and compared with those of conventional straight carbon fiber (CF) /epoxy resin composites. CMCs were found to be more effective than CFs as a reinforcing material for the epoxy resin having a low Young’s modulus (0.54 MPa). SEM images of the fractured cross-sections of the composite revealed that CMCs were not pulled out from the resin matrix but fractured with the matrix. This could be ascribed to the unique conformations of CMCs. |
| Keywords: | Carbon microcoils Carbon composites Mechanical properties Carbon fibers Resins |
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