Journal
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
Volume 40, Issue 9, Pages 1482-1489Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.compositesa.2009.05.025
Keywords
Metal-matrix composites; Nanostructures; Powder processing
Funding
- CNRS
- NSERC
- FQRNT
- Nanoqu bec
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The structural evolution of carbon nanotubes (CNTs) during mechanical milling was investigated using SEM, TEM, XRD, XPS and Raman spectroscopy. The study showed that milling of the CNTs alone introduces defects but preserves the tubular structure. When milling the CNTs with aluminum (Al) powder in order to produce a composite, Raman spectroscopy has shown that most of the nanotubes are destroyed. During sintering of the CNT/Al milled mixture, the carbon atoms available from the destruction of the nanotubes react with the Al to form aluminum carbide (Al4C3). The effect of milling on the At matrix was also studied. (C) 2009 Elsevier Ltd. All rights reserved.
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