Numerical analysis of residual stresses reconstruction for axisymmetric glass components

Bo Tao; Shuang Xu; Honghui Yao

doi:10.1117/12.2295007

10 January 2018 Numerical analysis of residual stresses reconstruction for axisymmetric glass components

Bo Tao, Shuang Xu, Honghui Yao

Proceedings Volume 10616, 2017 International Conference on Optical Instruments and Technology: Optical Systems and Modern Optoelectronic Instruments; 106160N (2018) https://doi.org/10.1117/12.2295007
Event: International Conference on Optical Instruments and Technology 2017, 2017, Beijing, China

Abstract

A non-destructive measurement method for 3D stress state in a glass cylinder using photoelasticity has been analyzed by simulation in this research. Based on simulated stresses in a glass cylinder, intensity of the cylinder in a circular polariscope can be calculated by Jones calculus. Therefore, the isoclinic angle and optical retardation can be obtained by six steps phase shifting technique. Through the isoclinic angle and optical retardation, the magnitude and distribution of residual stresses inside the glass cylinder in cylindrical coordinate system can be reconstructed. Comparing the reconstructed stresses with numerical simulated stresses, the results verify this non-destructive method can be used to reconstruct the 3D stresses. However, there are some mismatches in axial stress, radial stress and circumferential stress.

Citation Download Citation

Bo Tao, Shuang Xu, and Honghui Yao "Numerical analysis of residual stresses reconstruction for axisymmetric glass components", Proc. SPIE 10616, 2017 International Conference on Optical Instruments and Technology: Optical Systems and Modern Optoelectronic Instruments, 106160N (10 January 2018); https://doi.org/10.1117/12.2295007

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