Damage Mechanisms Interpreted by Acoustic Emission Signal Analysis

Abstract:

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Acoustic emissions (AE) are ultrasonic waves generated by the rapid release of energy from discontinuities or cracks spreading in materials subject to a stress and strain field. By identifying the complete shape of the signals and taking into account a larger quantity of data, it becomes possible to ascertain the three-dimensional location of damage sources from AE sensor records. In this connection, the authors have fine-tuned an original procedure that uses seismic analysis techniques, such as the moment-tensor solution. The experimental program consisted of tests conducted in situ on masonry walls of historical buildings.

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Periodical:

Edited by:

L. Garibaldi, C. Surace, K. Holford and W.M. Ostachowicz

Pages:

577-582

DOI:

10.4028/www.scientific.net/KEM.347.577

Citation:

A. Carpinteri et al., "Damage Mechanisms Interpreted by Acoustic Emission Signal Analysis", Key Engineering Materials, Vol. 347, pp. 577-582, 2007

Online since:

September 2007

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$35.00

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