Failure Analysis of Polymer Blinder Using Acoustic Emission Method

Abstract:

In this work the features of the propagation of the acoustic waves in the matrix sample (DERAKANE 411-350 epoxy vinyl ester resin) by the source pencil lead break (PLB) with different places and extract the feature of the registered AE parameters from the tensile test were studied. Using the typical features of the AE signals such as the frequency characteristic and the energy of the signals for classify and characterize the AE source in both PLB and tensile test. By analyzing the features of the AE signals based on the continuous wavelet transform, the features of the high frequency and the energy of the signal can be used to characterize the AE source, which is useful to establish relation between the characteristics of acoustic signals and the parameter of the fracture of structure in the material.

• Periodical: Materials Science Forum (Volume 992)
• Pages: 1030-1035
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.992.1030
• Online since: May 2020
• Authors: H. Khon*, O.V. Bashkov, A.A. Bryansky, Denis B. Solovev
• Keywords: Acoustic Emission, Composite, Failure Analysis, Load Monitoring, Pencil-Break

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