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Article Dans Une Revue Journal of Strain Analysis for Engineering Design Année : 2006

Use of Full Field of Strains Found By Grating Shearography to Determine Residual Stress

Résumé

A new method combining grating shearography and the incremental hole drilling method has been developed to determine the residual stress distribution in depth. Grating shearography is a technique designed to determine directly the strain field with a high level of sensitivity and a very high spatial resolution. The hole drilling method is one of the most popular methods used in mechanical engineering to determine the residual stress locked into a structure. This new optical method enables the strain to be measured while taking into account the entire strain field around the hole. The finite element method is used to calibrate the method. The method was tested on an ultrasonic shot-peened aluminium specimen.
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Dates et versions

hal-02283354 , version 1 (10-09-2019)

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Guillaume Montay, Jacek Bulhak, Yves Surrel, Alain Vautrin, Jian Lu. Use of Full Field of Strains Found By Grating Shearography to Determine Residual Stress. Journal of Strain Analysis for Engineering Design, 2006, 40 (7), pp.621-630. ⟨10.1243/030932405X30830⟩. ⟨hal-02283354⟩
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