Production of TiB{sub 2}-TiN composites by combustion synthesis and their properties
Journal Article
·
· Journal of the American Ceramic Society
- Kumamoto Inst. of Tech. (Japan). Dept. of Industrial Chemistry
The self-propagating high-temperature synthesis (SHS) process has been applied to formation of composites consisting of TiB{sub 2} and TiN ceramics synthesized simultaneously. Ti, B, and BN powders were used as raw materials. the SHS reaction was initiated by a tungsten heating coil. XRD experiments confirmed that the reaction was complete, and that only TiB{sub 2} and TiN phases were detected. Microstructural observations revealed that both TiN and TiB{sub 2} crystal grains had small sizes of less than 1 {micro}m in the composites with high TiN content. Inhibition of grain growth can be attributed to the pinning effect of TiN grains. Excellent corrosion resistance was obtained for HCl reagent.
- Sponsoring Organization:
- USDOE
- OSTI ID:
- 474158
- Journal Information:
- Journal of the American Ceramic Society, Vol. 80, Issue 3; Other Information: PBD: Mar 1997
- Country of Publication:
- United States
- Language:
- English
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