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Acoustic emission during slow crack growth in fiber reinforced polyvinylchloride

: Koenczoel, L.; Hiltner, A.; Baer, E.

Annual Conference of the Society of the Plastics Industry '86. Proceedings
pp.16-C/1-16-C/3 : Abb.,Lit.
Society of the Plastics Industry (Annual Conference) <41, 1986>
Conference Paper
Fraunhofer IWM ()

Acoustic Emission measurements have been coupled to fracture mechanics experiments in a short glass fiber reinforced PVC. A good 1:1 correlation has been found between the release rate of acoustic events measured as acoustic energy and the crack speed. A transition in the amplitude of the acoustic events with increasing crack speed can be correlated to a change in the dominant damage mechanism.