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Acoustic emission from Al2O3-Mo fibre composites

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Abstract

Acoustic emission has been used to investigate the fracture processs in Al2O3 and an Al2O3-Mo fibre composite. The acoustic emission data indicate extensive micro-fracturing at loads considerably less than that required to cause fracture in Al2O3. The acoustic emission emanating from the composite in the early stages of fracture is very similar to that observed in Al2O3. However, as final fracture is approached the acoustic emission profiles differ considerably. The acoustic emission profiles are discussed in terms of the fracture mechanisms.

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Lloyd, D.J., Tangri, K. Acoustic emission from Al2O3-Mo fibre composites. J Mater Sci 9, 482–486 (1974). https://doi.org/10.1007/BF00737851

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  • DOI: https://doi.org/10.1007/BF00737851

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