Combustion synthesis of α–Si3N4 whiskers
- 1 March 1999
- journal article
- Published by Springer Nature in Journal of Materials Research
- Vol. 14 (3), 876-880
- https://doi.org/10.1557/jmr.1999.0117
Abstract
α–Si3N4 whiskers were fabricated first through combustion synthesis (CS) technology. The as-synthesized crystals with [001] as the elongated axis contain a large amount of linear defects including (a + b)-type, (a + b + c)-type, and c-type of dislocations. The growth of α–Si3N4 whiskers is mainly controlled by vapor-condensation (VC) mechanism. Special additive plays an important role in promoting the growth of α–Si3N4 whiskers and suppressing the phase transformation of α–Si3N4 to β–Si3N4.Keywords
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