Borodin Yu. P.1,2, Kesaev V. V. 1, Lobanov A. N. 1, Ambrozevich S. A. 1,3
1Lebedev Physical Institute, Russian Academy of Sciences, Moscow, Russia
2MIREA - Russian Technological University, Moscow, Russia
3Bauman Moscow State Technical University, Moscow, Russia
Email: lobanovan@lebedev.ru
A phenomenological model for the experimental determination of the principal stress magnitudes and directions using the holographic interferometry and probing hole method is proposed. This non-invasive in situ method allows for the analysis of stress-strain states for a wide range of objects. The model establishes a straightforward relationship between the interference order and planar stress magnitude. The presented results have a practical importance for assessing the performance capability and safety of technical objects, as well as of their components and parts, during commissioning or operation. Keywords: holographic interferometry, probing hole method, planar stress state, non-destructive testing, measurement of principal stresses.
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