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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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Borodin, Elijah
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (12/12 displayed)
- 2024Discrete modelling of continuous dynamic recrystallisation by modified Metropolis algorithmcitations
- 2024Triple junction disclinations in severely deformed Cu-0.4%Mg alloyscitations
- 2024Discrete model for discontinuous dynamic recrystallisation applied to grain structure evolution inside adiabatic shear bandscitations
- 2024Defect-induced fracture topologies in Al 2 O 3 ceramic-graphene nanocomposites
- 2024Defect-induced fracture topologies in Al2O3 ceramic-graphene nanocomposites
- 2023Topological characteristics of grain boundary networks during severe plastic deformations of copper alloyscitations
- 2021Triple junctions network as the key pattern for characterisation of grain structure evolution in metalscitations
- 2021Optimisation of rGO-enriched nanoceramics by combinatorial analysiscitations
- 2020Evolution of triple junctions’ network during severe plastic deformation of copper alloys – a discrete stochastic modellingcitations
- 2019Experimental and numerical analyses of microstructure evolution of Cu-Cr-Zr alloys during severe plastic deformationcitations
- 2017Grain refinement kinetics in a low alloyed Cu-Cr-Zr alloy subjected to large strain deformationcitations
- 2015Kinetic model for mechanical twinning and its application for intensive loading of metals
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article
Evolution of triple junctions’ network during severe plastic deformation of copper alloys – a discrete stochastic modelling
Abstract
Proposed is a methodology for an accurate description of triple junctions’ network evolution in the course of severe plastic deformation (SPD). It is based on representations of polycrystalline solids with discrete combinatorial complexes, processes evolving different substructures (grains, grain boundaries, triple junctions) of these complexes, and methods for analyses of such substructures. It is demonstrated that the methodology can reproduce theoretical results available for the simplest case of quasi-homogeneous microstructure evolution, i.e. spatially random conversion of low to high angle grain boundaries during SPD. It is further shown that the proposed discrete approach can reproduce in a natural way results from recent experiments with copper alloys, where inhomogeneity development during SPD is strongly manifested. Finally, the evolution of different types of triple junctions and their connectivity is analysed to show that these substructure characteristics differentiate inhomogeneous from homogeneous evolution of the polycrystalline solid. It is suggested that such substructure characteristics can form the basis for characterisation of continuous dynamic recrystallisation process.