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- Title
A hybrid technique for residual stress analysis through stress function fitting.
- Authors
Cavaco, Marco Antonio Martins
- Abstract
This work presents a hybrid experimental theoretical technique for residual stresses analysis of mechanical components. It was used the blind hole technique along with the Electronic Speckle Pattern Interferometry (ESPI) method and Airy stress functions for the determination of the principal stress components. Displacement information is fitted in order to extract Airy stress function coefficients. The results demonstrate that this technique is of great utility to determine the average principal stress and local stress gradients.
- Subjects
STRAINS &; stresses (Mechanics); RESIDUAL stresses; ELECTRONIC speckle pattern interferometry; DISPLACEMENT (Mechanics); PHYSICS experiments; MATERIALS analysis; MECHANICAL engineering
- Publication
Latin American Journal of Solids & Structures, 2011, Vol 8, Issue 3, p259
- ISSN
1679-7817
- Publication type
Article
- DOI
10.1590/S1679-78252011000300004