Consolidation of Nanostructured β‐SiC by Spark Plasma Sintering
Authors:
- 1 August 2004
- journal article
- Published by Wiley in Journal of the American Ceramic Society
- Vol. 87 (8) , 1436-1441
Abstract
Nanostructured β‐SiC, with crystallite size in the range of 5–20 nm in agglomerates of 50–150 nm, was formed by reactive high‐energy ball milling and consolidated to a relative density of 98% by sintering at 1700°C without the use of additives. X‐ray line broadening analysis gave a crystallite size of 25 nm, while transmission electron microscopy observations showed the crystallite size to be in the range of 30–50 nm. Evidence demonstrating the role of a disorder–order transformation in the densification process is provided by changes in the diffraction peak patterns and in the integral width with temperature.Keywords
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