Nanocrystalline ZrN powder was synthesized by reduction–nitridation of nanosized ZrO2 powder in ammonia gas with magnesium as the reducing agent. The effects of nitridation temperature, holding time, and Mg:ZrO2 mole ratio on the powder properties were investigated. Cubic phase ZrN powder with a 30–100-nm particle size was synthesized at 1000°C for 6 h, under a Mg:ZrO2 mole ratio of 10:1.
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Document Type: Research Article
State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, People's Republic of China
Publication date: April 1, 2004