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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Pinna, Christophe
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (10/10 displayed)
- 2020Modelling impact damage in composite laminates: A simulation of intra- and inter-laminar crackingcitations
- 2019Low-velocity impact of composite laminates: damage evolutioncitations
- 2018Experimental and modelling study of fatigue crack initiation in an aluminium beam with a hole under 4-point bendingcitations
- 2018Ageing of a polymeric engine mount investigated using digital image correlationcitations
- 2016Simulating the microstructural evolution of a Selective Laser Melted AA-2024
- 2015Damage in dual phase steel DP1000 investigated using digital image correlation and microstructure simulationcitations
- 2014Interface cohesive elements to model matrix crack evolution in composite laminatescitations
- 2013Characterization of the High Temperature Strain Partitioning in Duplex Steelscitations
- 2012Model fusion using fuzzy aggregation: Special applications to metal propertiescitations
- 2011Analysis of the structure of deposited materials at inner surface of jet fuel injector feed arm with Optical and Scanning Electron Microscopy
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article
Experimental and modelling study of fatigue crack initiation in an aluminium beam with a hole under 4-point bending
Abstract
Slip bands and crack initiations were investigated by in-situ experiments and nonlocal CPFEM simulations systematically. Experimental techniques including EBSD, digital image correlation (DIC) and SEM have been used to obtain consistent grain orientations, local strain, as well as slip bands and microcracks in the same area of the sample surface. The realistic microstructure based on EBSD map has been generated and used for finite element modelling. An advanced nonlocal crystal plasticity model, which considers the isotropic hardening and kinematic hardening of plastic strain gradient, has been adopted. The simulation results match experimental results well from many aspects. It was found that total strain and averaged slip on slip systems, combined with accumulated slip on specific slip planes help predict the location and orientation of slip bands and microcrack initialization correctly. Furthermore, a fatigue indicating parameter based on competition between maximum slip and the total slip has been proposed to reproduce experimental results.