The Effects of Mineral Composition and Sintering Temperature on Synthetic Mullite

Abstract:

Mullite material was prepared from quartz (SiO₂) and industrial alumina (γ-Al₂O₃). The effects of mineral composition and sintering temperature on the final phase composition and physical properties of mullite were investigated. The results shown that a large number of mullite phase was emerged in samples when the ratio of alumina to silica (A/S) was 2.55. At 1500 ^oC and 1600 ^oC, the flexural strength of the samples reached to 87.13 MPa and 89.50 MPa, respectively. Consider the environmental protection and energy saving, the optimal sintering temperature was 1500 °C.

• Periodical: Key Engineering Materials (Volume 633)
• Pages: 65-68
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.633.65
• Online since: November 2014
• Authors: Lei Li, Xiao Guang Zhang, Rui Long Wen, Cheng Biao Wang, Ming Hao Fang*, Yan Gai Liu, Xiao Wen Wu, Zhao Hui Huang
• Keywords: Mullite, Quartz

References

[1] D. Chen, N.C. Chen, The research progress of mullite, J. Mineral Resources and Geology. 18 (2004) 52-54.

[2] N Cai. Study on the super light foamed concrete insulation material, D. Chongqing: Chongqing University, (2009).

[3] P. k. Xu, The research of the synthetic technology of mullite, J. Refractory Material. 4 (1982) 15-22.

[4] L. Zhang, D. Li, The current of the research of preparation technology of mullite material, J. Ceramics. 8 (2007) 43-51.

[5] X.W. Zhu, D.L. Jiang, S.H. Tan. The research of synthetic mullite using Low temperature solid method, J. Powder Science and Technology of China. 81 (2008) 35-40.

[6] J.Y. Shen, The refractory properties and applications of synthesis mullite, J. Bulletin of the Chinese Ceramic Society. 5 (1993) 34-36.