Paper Title:

Sintering Process of Mullite- Corundum Insulation Material with Nano Crystals

Periodical Advanced Materials Research (Volumes 295 - 297)
Main Theme Manufacturing Science and Technology
Edited by Pengcheng Wang, Liqun Ai, Yungang Li, Xiaoming Sang and Jinglong Bu
Pages 311-314
DOI 10.4028/www.scientific.net/AMR.295-297.311
Citation Dao Yuan Yang et al., 2011, Advanced Materials Research, 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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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.