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Proceedings Paper

New Method Of Measurement Of Dynamic Young's Modulus By High Speed Moire Topography
Author(s): Takao Tsuno; Yoshio Nakamura
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Paper Abstract

The deformation process of a simply supported beam, made of polymethylmethacrylate (PMMA) or polystyrene (PS) which is a kind of synthetic polymer, was recorded by high speed Moire topography with a time resolution of one microsecond and a contour sensitivity of 0.22 mm. As an interpretation of the Moire contour lines, a new method of the measurement of dynamic Young's modulus was discussed from theoretical point of view. As the experimental results based on the new method, the dynamic Young's modulus of PMMA- or PS-plate increased in proportion to the impact-speed in the range from 10 to 30 meters per second.

Paper Details

Date Published: 1 March 1983
PDF: 5 pages
Proc. SPIE 0348, 15th Intl Congress on High Speed Photography and Photonics, (1 March 1983); doi: 10.1117/12.967859
Show Author Affiliations
Takao Tsuno, University of Tokyo (Japan)
Yoshio Nakamura, University of Tokyo (Japan)

Published in SPIE Proceedings Vol. 0348:
15th Intl Congress on High Speed Photography and Photonics
Lincoln L. Endelman, Editor(s)

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