New Method Of Measurement Of Dynamic Young's Modulus By High Speed Moire Topography

Takao Tsuno; Yoshio Nakamura

doi:10.1117/12.967859

1 March 1983 New Method Of Measurement Of Dynamic Young's Modulus By High Speed Moire Topography

Takao Tsuno, Yoshio Nakamura

Proceedings Volume 0348, 15th Intl Congress on High Speed Photography and Photonics; (1983) https://doi.org/10.1117/12.967859
Event: 15th International Congress on High Speed Photography and Photonics, 1982, San Diego, United States

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.

Citation Download Citation

Takao Tsuno and Yoshio Nakamura "New Method Of Measurement Of Dynamic Young's Modulus By High Speed Moire Topography", Proc. SPIE 0348, 15th Intl Congress on High Speed Photography and Photonics, (1 March 1983); https://doi.org/10.1117/12.967859

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