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Proceedings Paper

Object rotations and speckle dynamics
Author(s): Alexander Petrovich Vladimirov; D. O. Popov
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Paper Abstract

The effect of speckle displacement in the region of the image of a rotating plane specimen revealed earlier is applied to studying rotation of objects under deformation. In the experiment a cylindric specimen is tensioned up to fracture. The total rotation of the surface of a specimen under plastic deformation, which is measured by speckle displacement, and the slope of the surface measured by a photograph of the fractured specimen are shown to coincide to within the measurement errors. The displacements are shown to appear in plastic deformation, to be symmetric about the center of the image of the working part of the specimen and to have opposite directions.

Paper Details

Date Published: 13 July 2004
PDF: 6 pages
Proc. SPIE 5476, Saratov Fall Meeting 2003: Laser Physics and Photonics, Spectroscopy, and Molecular Modeling IV, (13 July 2004);
Show Author Affiliations
Alexander Petrovich Vladimirov, Institute of Engineering Science (Russia)
D. O. Popov, Institute of Engineering Science (Russia)


Published in SPIE Proceedings Vol. 5476:
Saratov Fall Meeting 2003: Laser Physics and Photonics, Spectroscopy, and Molecular Modeling IV
Vladimir L. Derbov; Leonid A. Melnikov; Lev M. Babkov, Editor(s)

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