26 June 2017 Bulk strain solitons as a tool for determination of the third order elastic moduli of composite materials
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Abstract
We demonstrate an alternative approach to determination of the third order elastic moduli of materials based on registration of nonlinear bulk strain waves in three basic structural waveguides (rod, plate and shell) and further calculation of the Murnaghan moduli from the recorded wave parameters via simple algebra. These elastic moduli are available in literature for a limited number of materials and are measured with considerable errors, that evidences a demand in novel approaches to their determination.
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I. V. Semenova, A. V. Belashov, F. E. Garbuzov, A. M. Samsonov, A. A. Semenov, "Bulk strain solitons as a tool for determination of the third order elastic moduli of composite materials ", Proc. SPIE 10329, Optical Measurement Systems for Industrial Inspection X, 103291W (26 June 2017); doi: 10.1117/12.2270375; https://doi.org/10.1117/12.2270375
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