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Proceedings Paper

Inversion processing of viscoelastic waves to study the fracture dynamics in unidirectional model GFRP
Author(s): Hiroaki Suzuki; Tetsuo Kinjo; Mikio Takemoto
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Paper Abstract

Study aims to elucidate the fracture dynamics of brittle glass fiber reinforcement in a viscoelastic matrix, typical phenomena in the loaded GFRP, by the quantitative source inversion of elastic wave or acoustic emission (AE). We developed a new AE system to measure the out-of-plane displacement of the elastic wave and a source inversion processing to the out-of-plane displacement. The proposed inversion processing, taking into account the wave attenuation and response delay of the P-wave in the polymer matrix, enables us to study the fracture dynamics of various microfractures in loaded GFRP.

Paper Details

Date Published: 20 March 1997
PDF: 6 pages
Proc. SPIE 2921, International Conference on Experimental Mechanics: Advances and Applications, (20 March 1997); doi: 10.1117/12.269863
Show Author Affiliations
Hiroaki Suzuki, Aoyama Gakuin Univ. (Japan)
Tetsuo Kinjo, Aoyama Gakuin Univ. (Japan)
Mikio Takemoto, Aoyama Gakuin Univ. (Japan)

Published in SPIE Proceedings Vol. 2921:
International Conference on Experimental Mechanics: Advances and Applications
Fook Siong Chau; C. T. Lim, Editor(s)

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