Consolidation of Nano-Sized TiN Powders by Spark Plasma Sintering |
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| Authors: | Lianjun Wang Wan Jiang Lidong Chen Mei Yang Hongmin Zhu |
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| Affiliation: | State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China; Metallurgical Engineering School, University of Science and Technology Beijing, Beijing 100083, China |
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| Abstract: | Nano-sized TiN powders with an average particle size of 19 nm were synthesized via a new method, reduction–nitridation reaction in liquid ammonia. A consolidation procedure using spark plasma sintering (SPS) was used, and a dense TiN ceramic (>98% of theoretical) with mean grain size of 100–150 nm was obtained at 1380°C. The influence of sintering temperature on grain growth and microstructural evolution was also discussed. |
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