Photoelastic tomography for residual stress measurement in glass

Hillar Aben; Andrei Errapart; Leo Ainola; Johan Anton

doi:10.1117/12.543778

10 September 2004 Photoelastic tomography for residual stress measurement in glass

Hillar Aben, Andrei Errapart, Leo Ainola, Johan Anton

Proceedings Volume 5457, Optical Metrology in Production Engineering; (2004) https://doi.org/10.1117/12.543778
Event: Photonics Europe, 2004, Strasbourg, France

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.

Citation Download Citation

Hillar Aben, Andrei Errapart, Leo Ainola, and Johan Anton "Photoelastic tomography for residual stress measurement in glass", Proc. SPIE 5457, Optical Metrology in Production Engineering, (10 September 2004); https://doi.org/10.1117/12.543778

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