Journal
CARBON
Volume 44, Issue 2, Pages 301-306Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.carbon.2005.07.019
Keywords
mesocarbon microbeads; graphitization; sintering; X-ray diffraction; activation
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The sintering and graphitization behavior of mesocarbon microbeads (MCMB) at high temperatures (1900-2800 K) is investigated. It is shown that while the low temperature sintering performance of MCMB is unique, at high temperature it appears to be similar to that of conventional materials. In contrast, the obtained activation energy for MCMB high-temperature graphitization is similar to 100 kcal/mol, which is smaller than that (similar to 240 kcal/mol) for typical carbon systems. It is concluded that the combination of such unique properties as excellent compressibility, low temperature sinterability, and rapid graphitization makes MCMB an attractive precursor for manufacturing carbon-based materials. (C) 2005 Elsevier Ltd. All rights reserved.
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