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Thermal Shock Resistance of a Kyanite-Based (Aluminosilicate) Ceramic

Author(s): Rahbar, N; Aduda, BO; Zimba, J; Obwoya, SK; Nyongesa, FW; et al

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Abstract: 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 work are discussed for the design of high refractory ceramics against thermal shock.
Publication Date: 2011
Citation: Rahbar, N., Bernard O. Aduda, J. Zimba, S. K. Obwoya, F. W. Nyongesa, I. Yakub, and W. O. Soboyejo. "Thermal shock resistance of a kyanite-based (aluminosilicate) ceramic." Experimental Mechanics 51, no. 2 (2011): 133-141. doi: 10.1007/s11340-010-9345-3
DOI: 10.1007/s11340-010-9345-3
ISSN: 0014-4851
EISSN: 1741-2765
Pages: 133 - 141
Type of Material: Journal Article
Journal/Proceeding Title: Experimental Mechanics
Version: Author's manuscript

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