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Thermal Shock Resistance Of A Kyanite-Based (Aluminosilicate) Ceramic, Nima Rahbar, B. Aduda, J. Zimba, S. Obwoya, F. Nyongesa, I. Yakub, W. Soboyejo
Thermal Shock Resistance Of A Kyanite-Based (Aluminosilicate) Ceramic, Nima Rahbar, B. Aduda, J. Zimba, S. Obwoya, F. Nyongesa, I. Yakub, W. Soboyejo
Nima Rahbar
This paper presents the results of a combined experimental and theoretical study of microstructure and thermal shock resistance of an aluminosilicate ceramic. Shock-induced crack growth is studied in sintered structures produced from powders with different particle size ranges. The underlying crack/microstructure interactions and toughening mechanisms are elucidated via scanning electron microscopy (SEM). The resulting crack-tip shielding levels (due to viscoelastic crack bridging) are estimated using fracture mechanics concepts. The implications of the