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Proceedings Paper

Measurement Of Complex Elastic Modulus By Holography
Author(s): Tsuneyoshi UYEMURA; Yoshitaka Yamamoto; Take shi Miyazaki
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Paper 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.

Paper Details

Date Published: 27 July 1979
PDF: 4 pages
Proc. SPIE 0189, 13th Intl Congress on High Speed Photography and Photonics, (27 July 1979); doi: 10.1117/12.957574
Show Author Affiliations
Tsuneyoshi UYEMURA, University of Tokyo (Japan)
Yoshitaka Yamamoto, University of Tokyo (Japan)
Take shi Miyazaki, Kanazawa University (Japan)

Published in SPIE Proceedings Vol. 0189:
13th Intl Congress on High Speed Photography and Photonics
Shin-Ichi Hyodo, Editor(s)

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