Tensor field tomography of residual stresses |
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Authors: | A. É. Puro D. D. Karov |
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Affiliation: | (1) Estonian American Business Academy, 13611 Tallinn, Estonia;(2) St. Petersburg State Technical University, St. Petersburg, 195251, Russia |
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Abstract: | An approximate method is proposed for determining residual stresses in elonagted transparent articles featuring weak variation of the stress field along the axis. The proposed method is a generalization of the well-known method of determining internal stresses in optic fibers based on the integrated photoelasticity measurements. Complete determination of the stress tensor components is performed within the framework of the concept of temperature-dependent residual stresses. |
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