Full-field phase-shifting holographic blind-hole technique for in-plane residual stress detection

Shyh Tsong Lin; Chi-Tang Jeffrey Hsieh; Chih-Kung Lee

doi:10.1117/12.215319

27 July 1995 Full-field phase-shifting holographic blind-hole technique for in-plane residual stress detection

Shyh Tsong Lin, Chi-Tang Jeffrey Hsieh, Chih-Kung Lee

Proceedings Volume 2577, International Conference on Applications of Optical Holography; (1995) https://doi.org/10.1117/12.215319
Event: International Conferences on Optical Fabrication and Testing and Applications of Optical Holography, 1995, Tokyo, Japan

Abstract

The phase-shifting holographic interferometry combined with the blind-hole method for measuring residual stresses was introduced in this paper. The relationship between the out-of- plane displacements and the residual stresses relieved from blind-hole drilling was examined. Combining this relationship and the theory of holographic interferometry, it is found that full- field out-of-plane displacements can be measured by taking one interference fringe pattern even when the illumination and viewing directions are arbitrary. By using this measured displacement field, it is sufficient to determine the residual stresses with three relative out-of- plane displacements measured along the radial directions. Adopting this newly developed technique to measure a known residual stress in an aluminum specimen, good agreement between the experimental data and the known values were found to agree well with respect to eachother.

Citation Download Citation

Shyh Tsong Lin, Chi-Tang Jeffrey Hsieh, and Chih-Kung Lee "Full-field phase-shifting holographic blind-hole technique for in-plane residual stress detection", Proc. SPIE 2577, International Conference on Applications of Optical Holography, (27 July 1995); https://doi.org/10.1117/12.215319

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