Abstract
The term ‘acoustic emission’ (AE) is applied in a broad sense to the sounds which are internally generated in a material which is under stress. AE testing is relatively simple with only a sensor (usually piezoelectric), basic signal-analysis equipment (amplifier, filter, data-processing equipment) and some means of loading the structure needed. There is a wide variety of mechanisms known to be responsible for AE generation, ranging from dislocation motion to crack propagation. Therefore, the basic AE monitoring techniques are applicable to a wide class of materials and structures. This is particularly true for composites with several mechanisms, including fiber fracture, fiber-matrix debonding, matrix crazing and cracking, and delamination known to generate AE signals in composites.
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© 1989 Society for Experimental Mechanics
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Kline, R.A. (1989). Acoustic Emission in Composites. In: Pendleton, R.L., Tuttle, M.E. (eds) Manual on Experimental Methods for Mechanical Testing of Composites. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-1129-1_15
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DOI: https://doi.org/10.1007/978-94-009-1129-1_15
Publisher Name: Springer, Dordrecht
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