Summary
Composite including FRP have many advantages for structural material but show more complicated fracture modes and growth behavior than homogeneous materials. Recognition of the individual mode and location by on-line measurement is very important for material evaluation and design as well as. proof test. AE technology is being used for the purposes as a powerful tool. However, usual amplitude distribution analysis has a limitation because of the shortage of information. We have been developing such instrumentation that utilizes more AE waveform information including new parameters. The instrumentation systems enable more detailed recognition of fracture mechanism in composites by multi-dimensional analysis. We are applying the systems for tensile tests on GFRP specimens and obtaining results of good recognition between fracture modes.
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References
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© 1989 Springer-Verlag Berlin Heidelberg
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Yamaguchi, K., Oyaizu, H. (1989). Recognition of Fracture Modes and Behaviour of Composites by Acoustic Emission. In: Höller, P., Hauk, V., Dobmann, G., Ruud, C.O., Green, R.E. (eds) Nondestructive Characterization of Materials. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-84003-6_13
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DOI: https://doi.org/10.1007/978-3-642-84003-6_13
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