Journal
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
Volume 34, Issue 8, Pages 689-694Publisher
ELSEVIER SCI LTD
DOI: 10.1016/S1359-835X(03)00140-4
Keywords
polymer-matrix composites; electrical properties; mechanical properties; carbon multi-walled nanotubes
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An experimental investigation of the effect of nanotube length and aggregate size on the mechanical and electrical properties of the composites was reported. Three treatments, that affect mainly the length and aggregate size, were applied on the CVD MWNTs before they were added into a resin matrix. They had a very clear impact on the dielectric properties of the composites and on the improvement efficiency. There was an insulator-to-conductor transition with the as-prepared MWNTs at 0.5 wt%. Regarding the mechanical properties, the addition of MWNTs increased the Young's modulus and reduced the fracture strain. In that case, the pre-treatment on MWNTs, however, had a much more moderate effect on the improvement efficiency. (C) 2003 Elsevier Ltd. All rights reserved.
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