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Multi-walled carbon nanotube reinforced epoxy composites were fabricated using shearmixing and sonication. The mechanical, viscoelastic, thermal, and electrical properties of thefabricated specimens were measured and evaluated. From the images and the results of themeasurements of tensile strengths, the specimens having 0.6 wt% nanotube content showedbetter dispersion and higher strength than those of the other specimens. The Young’s moduliof the specimens increased as the nanotube filler content was increased in the matrix. As theconcentrations of nanotubes filler were increased in the composite specimens, their storageand loss moduli also tended to increase. The specimen having a nanotube filler content of0.6 wt% showed higher thermal conductivity than that of the other specimens. On the otherhand, in the measurement of thermal expansion, specimens having 0.4 and 0.6 wt% fillercontents showed a lower value than that of the other specimens. The electrical conductivitiesalso increased with increasing content of nanotube filler. Based on the measured andevaluated properties of the composites, it is believed that the simple and efficient fabricationprocess used in this study was sufficient to obtain improved properties in the specimens

Properties of multi-walled carbon nanotube reinforced epoxy composites fabricated by using sonication and shear mixing