Journal
COMPOSITES SCIENCE AND TECHNOLOGY
Volume 68, Issue 6, Pages 1384-1391Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.compscitech.2007.11.012
Keywords
vapour grown carbon nanofibres; metal-matrix composites (MMCs); nanocomposites; scanning/transmission electron microscopy; sintering
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Vapour grown carbon nanofibres from different manufacturers have been incorporated into copper in order to obtain metal-matrix composites with high volume fraction of reinforcement. The manufacturing route involved copper deposition by the electroless plating technique and further hot-pressing of the composite powders. A material with porosity less than 1% was obtained. The microstructure was investigated by scanning electron microscopy and transmission electron microscopy. After hot-pressing the carbon nanofibres were seen to be homogeneously dispersed in the matrix and showed a random planar distribution. Despite the poor wetting between copper and carbon, the Cu/C interface formed was continuous. The matrix was composed of grains in the nanometric range, suggesting that the nanofibres act as grain growth inhibitors. (c) 2007 Elsevier Ltd. All rights reserved.
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