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Proceedings Paper

Photoelastic tomography for residual stress measurement in glass
Author(s): Hillar Aben; Andrei Errapart; Leo Ainola; Johan Anton
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Paper Abstract

The paper describes analgorithm of photoelastic tomography and its application for residual stress measurement in glass articles of complicated shape. The algorithm is based on a linearized solution of the equations of integrated photoelasticity. The problem of tensor field tomography is decomposed into several problems of scalar field tomography for normal stress components of the stress tensor. The method is implemented with an automated polariscope with a rotary stage. Several examples illustrateapplication of the method.

Paper Details

Date Published: 10 September 2004
PDF: 11 pages
Proc. SPIE 5457, Optical Metrology in Production Engineering, (10 September 2004); doi: 10.1117/12.543778
Show Author Affiliations
Hillar Aben, Tallinn Technical Univ. (Estonia)
Andrei Errapart, Tallinn Technical Univ. (Estonia)
Leo Ainola, Tallinn Technical Univ. (Estonia)
Johan Anton, Tallinn Technical Univ. (Estonia)

Published in SPIE Proceedings Vol. 5457:
Optical Metrology in Production Engineering
Wolfgang Osten; Mitsuo Takeda, Editor(s)

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