Combustion synthesis of α–Si3N4 whiskers

被引：0
|
作者：
Yong-Ge Cao
Chang-Chun Ge
Zhang-Jian Zhou
Jiang-Tao Li
机构：
[1] University of Science and Technology Beijing,Laboratory of Special Ceramics and P/M
来源：
Journal of Materials Research | 1999年 / 14卷
关键词：
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学科分类号：
摘要：
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.
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页码：876 / 880
页数：4
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