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Experimental and theoretical characterization of acoustic emission transients in composite laminates
KTH, Superseded Departments, Solid Mechanics.
KTH, Superseded Departments, Solid Mechanics.ORCID iD: 0000-0002-0307-8917
2001 (English)In: Composites Science And Technology, ISSN 0266-3538, Vol. 61, no 10, 1367-1378 p.Article in journal (Refereed) Published
Abstract [en]

Transient wave propagation resulting from transverse matrix cracking in cross-ply composite tensile test specimens are investigated both theoretically and experimentally. In the experiments, broad-band transducers and a fast data-acquisition system enable measurements of transients in a frequency interval up to 1 MHz. The theoretical predictions are based on a model which utilizes a finite-element discretization of the cross-section of the specimen and a Fourier representation of the axial and time dependence. The comparisons between experimental and theoretical results are encouraging. Weak points in the experimental technique and in the theoretical model are identified.

Place, publisher, year, edition, pages
2001. Vol. 61, no 10, 1367-1378 p.
Keyword [en]
polymer-matrix composites, matrix cracking, finite-element analysis, laminates, acoustic emission, wave, calibration, transducers, damage
National Category
Mechanical Engineering
URN: urn:nbn:se:kth:diva-20881DOI: 10.1016/S0266-3538(01)00036-7ISI: 000170505000003OAI: diva2:339578
QC 20100525Available from: 2010-08-10 Created: 2010-08-10 Last updated: 2010-10-22Bibliographically approved

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