Preparation and High Temperature Performance of β-Sialon Bonded Corundum Multiphase Material


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β-Sialon bonded corundum multiphase ceramic refractory was prepared by the method of carbothermal reduction and nitridation reactions of clay mineral doped with corundum particle phase. The high-temperature oxidation resistance and the thermal-shock resistance behaviors of the material were tested and investigated. The results show that the oxidation reaction history at 1573K can be divided into two reaction kinetic phases. The circle times of the thermal-shock resistance ($=1473K) reached to more than 200 times and the thermal shock failure is not a brittle rupture but a desquamate damage.



Key Engineering Materials (Volumes 336-338)

Edited by:

Wei Pan and Jianghong Gong




W. M. Sui et al., "Preparation and High Temperature Performance of β-Sialon Bonded Corundum Multiphase Material", Key Engineering Materials, Vols. 336-338, pp. 1498-1500, 2007

Online since:

April 2007




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[3] W.M. Sui and Y. Huang: China Materials Review Vol. 14 (2000), p.34. Fig. 3 Oxidation curve of Ginserlinger Equation at 1573K Fig. 4 lnG vs. lnt at 1573K Fig. 5 Surface cracks after thermal shock.