| People | Locations | Statistics |
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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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Zhang, Xiaodan
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (11/11 displayed)
- 2022Heterogeneous microstructure and failure analysis of yaw gear rings
- 2022Heterogeneous microstructure and failure analysis of yaw gear rings
- 2020Multi-axial Fatigue of Head-Hardened Pearlitic and Austenitic Manganese Railway Steels: A Comparative Studycitations
- 2020Realizing the Potential of RF-Sputtered Hydrogenated Fluorine-Doped Indium Oxide as an Electrode Material for Ultrathin SiO x/Poly-Si Passivating Contactscitations
- 2020Realizing the Potential of RF-Sputtered Hydrogenated Fluorine-Doped Indium Oxide as an Electrode Material for Ultrathin SiO x /Poly-Si Passivating Contactscitations
- 2019Local stress and strain in heterogeneously deformed aluminum: a comparison analysis by microhardness, electron microscopy and finite element modellingcitations
- 2019Comparison of local stress and strain in a heterogeneouslycompressed AA 1050 ring by electron microscopy, microhardness and finite element modelling
- 2018Evaluation of local strength via microstructural quantification in a pearlitic rail steel deformed by simultaneous compression and torsioncitations
- 2017Local microstructure and flow stress in deformed metalscitations
- 2015Microstructure and hardness development in a copper-nickel diffusion gradient model system
- 2014Grinding induced martensite on the surface of rails
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article
Local microstructure and flow stress in deformed metals
Abstract
The microstructure and flow stress of metals are related through many well-known strength-structure relationships based on structural parameters, where grain size and dislocation density are examples. In heterogeneous structures, the local stress and strain are important as they will affect the bulk properties. A microstructural method is presented which allows the local stress in a deformed metal to be estimated based on microstructural parameters determined by an EBSD analysis. These parameters are the average spacing of deformation introduced boundaries and the fraction of high angle boundaries. The method is demonstrated for two heterogeneous structures: (i) a gradient (sub)surface structure in steel deformed by shot peening; (ii) a heterogeneous structure introduced by friction between a tool and a workpiece of aluminum. Flow stress data are calculated based on the microstructural analysis, and validated by hardness measurement and 2D numerical simulations. A good agreement is found over a plastic strain range from ∼1 to 5.