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Proceedings Paper

Laser interferometric method for determination of elastoplastic strain field
Author(s): Shibin Wang; Jingwei Tong; Mario Cottron; Linan Li; Zhiyong Wang
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Paper Abstract

A new full-field optical technique is developed to study surface deformation of solids. This method combines the measurement by grid method and the digital image processing. An optical information processing system and a digital image processing system of computer are used in this method. At the output plane we receive the pattern of grating lines taht can be used for the analysis of deformation of the specimen on which we have produced the phase grating. At last we show the application of this technique in the investigation of elastic-plastic fracture.

Paper Details

Date Published: 29 April 2003
PDF: 6 pages
Proc. SPIE 5058, Optical Technology and Image Processing for Fluids and Solids Diagnostics 2002, (29 April 2003); doi: 10.1117/12.509768
Show Author Affiliations
Shibin Wang, Tianjin Univ. (China)
Jingwei Tong, Tianjin Univ. (China)
Mario Cottron, Univ. de Poitiers (France)
Linan Li, Tianjin Univ. (China)
Zhiyong Wang, Tianjin Univ. (China)


Published in SPIE Proceedings Vol. 5058:
Optical Technology and Image Processing for Fluids and Solids Diagnostics 2002
Gong Xin Shen; Soyoung S. Cha; Fu-Pen Chiang; Carolyn R. Mercer, Editor(s)

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