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| Naji, M. |
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| Azevedo, Nuno Monteiro |
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Cherouat, A.
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Publications (5/5 displayed)
- 2006Residual stress analysis in crankshaft using the hole drilling method
- 2005Determination of the residual stresses in composite laminate using the compliance method
- 2004Residual stresses in coating technology
- 2002Development of the high-precision incremental-step hole-drilling method for the study of residual stress in multi-layer materialscitations
- 2001Incremental hole drilling and X-ray diffraction techniques to the residual stresses determination introduced by shot peening in titanium alloycitations
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document
Determination of the residual stresses in composite laminate using the compliance method
Abstract
Residual stresses play an important role on the mechanical behavior of composite laminate. The development of new methods to determine the residual stresses gradient within the laminates is necessary. This article presents the adaptation of the compliance method in the case of composite laminates carbon/epoxy [0<sub>2</sub>/90<sub>2</sub>]s. The incremental drilling of a constant width groove allows for each increment to measure the strains (using strain gages) and displacements (using an optical device) of particularly points of the structure surface. These experimental data are compared with results given by a finite elements simulation. This comparison allows to raise the residual stresses in the composite laminate.