Integrated photoelasticity for residual stresses in glass specimens of complicated shape

Hillar K. Aben; Siim J. Idnurm; Juri Josepson; Kalle-Juri E. Kell; Alfred E. Puro

doi:10.1117/12.49549

1 December 1991 Integrated photoelasticity for residual stresses in glass specimens of complicated shape

Hillar K. Aben, Siim J. Idnurm, Juri Josepson, Kalle-Juri E. Kell, Alfred E. Puro

Proceedings Volume 1554, Second International Conference on Photomechanics and Speckle Metrology; (1991) https://doi.org/10.1117/12.49549
Event: San Diego, '91, 1991, San Diego, CA, United States

Abstract

Possibilities to apply integrated photoelasticity for residual stress analysis in glass specimens of complicated shape are considered. In the general case algorithms for the interpretation of experimental data in integrated photoelasticity are complicated. However, if birefringence of the specimen is weak, simple integral relationships can be used for stress calculations. It is shown that normal stress distribution can be determined in a plane of a specimen of arbitrary shape. In the case of an axisymmetric specimen residual stresses can be completely determined using a combination of integrated photoelasticity and of a tomographic technique. Several examples illustrate application of the methods developed.

Citation Download Citation

Hillar K. Aben, Siim J. Idnurm, Juri Josepson, Kalle-Juri E. Kell, and Alfred E. Puro "Integrated photoelasticity for residual stresses in glass specimens of complicated shape", Proc. SPIE 1554, Second International Conference on Photomechanics and Speckle Metrology, (1 December 1991); https://doi.org/10.1117/12.49549

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