Sintering Process of Mullite- Corundum Insulation Material with Nano Crystals

Abstract:

Mullite- corundum insulation material with nano crystals in matrix was fabricated by gel-casting process. The results showed that the volatilization temperature of organisms is 285°C- 600°C, there is no glass phase appeared in specimens; The mullitization begin at 1000°C, along with the raise of temperature, the quantity of mullite phase increases, especially during 1200°C- 1400°C; when the temperature is up to 1550°C, mullite becomes the main crystal phase and there are also some corundum crystals in the specimens; The specimen matrix sintered at 1550°C is consisted of nano crystals 80nm in length and 10-20nm in diameter.

• Periodical: Advanced Materials Research (Volumes 295-297)
• Pages: 311-314
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.295-297.311
• Online since: July 2011
• Authors: Dao Yuan Yang, Juan Wu, Guang Hui Wei, Kai Zhu, Hui Yu Yuan, Jing Wei Liu, Bo Chong
• Keywords: Gel-Casting Process, Glass Phase, Mullite-Corundum Insulation Material, Mullitisation Temperature, Nano Crystals

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