20 March 1997 Inversion processing of viscoelastic waves to study the fracture dynamics in unidirectional model GFRP
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Proceedings Volume 2921, International Conference on Experimental Mechanics: Advances and Applications; (1997) https://doi.org/10.1117/12.269863
Event: International Conference on Experimental Mechanics: Advances and Applications, 1996, Singapore, Singapore
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.
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Hiroaki Suzuki, Tetsuo Kinjo, Mikio Takemoto, "Inversion processing of viscoelastic waves to study the fracture dynamics in unidirectional model GFRP", Proc. SPIE 2921, International Conference on Experimental Mechanics: Advances and Applications, (20 March 1997); doi: 10.1117/12.269863; https://doi.org/10.1117/12.269863
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