Analysis of the peel test for elastic-plastic film with combined kinematic and isotropic hardening
| Autor: | Marion Martiny, Sébastien Mercier, Gautier Girard |
|---|---|
| Přispěvatelé: | Laboratoire d'Etude des Microstructures et de Mécanique des Matériaux (LEM3), Centre National de la Recherche Scientifique (CNRS)-Université de Lorraine (UL)-Arts et Métiers Sciences et Technologies, HESAM Université (HESAM)-HESAM Université (HESAM) |
| Jazyk: | angličtina |
| Rok vydání: | 2021 |
| Předmět: |
Materials science
Bending (metalworking) Computational Mechanics 02 engineering and technology Kinematics Plasticity Peel test Analytical modeling 0203 mechanical engineering Elasto-plasticity Kinematic hardening Composite material ComputingMilieux_MISCELLANEOUS Work (physics) Fracture mechanics [SPI.MECA]Engineering Sciences [physics]/Mechanics [physics.med-ph] 021001 nanoscience & nanotechnology Physics::Classical Physics Finite element method 020303 mechanical engineering & transports Mechanics of Materials Modeling and Simulation Hardening (metallurgy) 0210 nano-technology Interface fracture energy Finite element simulation |
| Zdroj: | International Journal of Fracture International Journal of Fracture, Springer Verlag, 2021, 232 (2), pp.117-133. ⟨10.1007/s10704-021-00591-2⟩ |
| ISSN: | 0376-9429 1573-2673 |
| DOI: | 10.1007/s10704-021-00591-2⟩ |
| Popis: | The paper is dedicated to the mechanical analysis of peel tests for a ductile film on an elastic substrate. This test is widely adopted to access the interface fracture energy. In the literature, the analytical analysis of the peel test is often based on the bending model to quantify the work done by bending plasticity within the film. Isotropic hardening is only considered. In the present work, a new contribution is proposed where the ductile film has an elastic-plastic behavior with combined kinematic-isotropic hardening. A semi-analytical expression for the work done by bending plasticity is obtained in the general case and a closed-form expression is found when only kinematic hardening is present. The validation of the theoretical work is established via finite element simulations of $$90^o$$ peel test. Two model materials having the same uniaxial tensile response are considered: one presents isotropic hardening while the second only kinematic hardening. The comparison between them enables quantification of the role of kinematic hardening in the prediction of the interface fracture energy. |
| Databáze: | OpenAIRE |
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