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Título: Measuring of non-uniform residual stresses in depth with optical techniques
Autor: Ribeiro, J.E.
Monteiro, J.
Vaz, M.A.P.
Lopes, H.
Issue Date: 2008
Citação: Ribeiro, J.E.; Monteiro, J.; Vaz, M.A.P.; Lopes, H. (2008) - Measuring of non-uniform residual stresses in depth with optical techniques. In International Conference on Full-field Measurement Techniques and their Applications in Experimental Solid Mechanics - Photomechanics 2008.
Resumo: The goal of this work is the development of optical experimental techniques to measure non-uniform residual stresses in depth, as alternative to the hole-drilling method with strain gages. The proposed hybrid techniques are based on Moiré Interferometry and in-plane Electronic Speckle Pattern Interferometry (ESPI) and used the integral method for stress assement. In this work a shot peening specimen was used to compare the results obtained with different techniques: X ray diffraction, hole drilling with strain gages, finite elements method simulation and the referred optical techniques.
Appears in Collections:DTM - Posters em Encontros Científicos Internacionais

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