Measurement Of Complex Elastic Modulus By Holography

Tsuneyoshi UYEMURA; Yoshitaka Yamamoto; Take shi Miyazaki

doi:10.1117/12.957574

27 July 1979 Measurement Of Complex Elastic Modulus By Holography

Tsuneyoshi UYEMURA, Yoshitaka Yamamoto, Take shi Miyazaki

Proceedings Volume 0189, 13th Intl Congress on High Speed Photography and Photonics; (1979) https://doi.org/10.1117/12.957574
Event: 13th International Congress on High Speed Photography and Photonics, 1978, Tokyo, Japan

Abstract

This article describes a technique for measuring complex elastic modulus E* by holographic interferometry. In this technique used are the characteristics of the amplitude distribution in viscoelastic vibration which can be obtained from time-averaged holography. The dynamic elastic modulus can be evaluated from the dimensions, the density, the frequency and the distances between the positions of the maxima (or minima), and tans can be measured from the calculated relations between tans and the ratios of the minima to their neighbor maxima. By this technique, E* can be measured at the arbitrary frequency without changing the dimensions of specimen. The frequency range and the measuring range of tanδ are higher than those in conventional techniques.

Citation Download Citation

Tsuneyoshi UYEMURA, Yoshitaka Yamamoto, and Take shi Miyazaki "Measurement Of Complex Elastic Modulus By Holography", Proc. SPIE 0189, 13th Intl Congress on High Speed Photography and Photonics, (27 July 1979); https://doi.org/10.1117/12.957574

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