| 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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Baras, Florence
Laboratoire Interdisciplinaire Carnot de Bourgogne
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (22/22 displayed)
- 2024Directional solidification of Cu with dispersed W nanoparticles: a molecular dynamics study in the context of additive manufacturing
- 2023Atomistic simulations of the crystalline-to-amorphous transformation of gamma-Al2O3 nanoparticles: delicate interplay between lattice distortions, stresses, and space chargescitations
- 2023Atomistic simulations of the crystalline-to-amorphous transformation of γ -Al 2 O 3 nanoparticles: delicate interplay between lattice distortions, stresses, and space chargescitations
- 2023A molecular dynamics study of Ag-Ni nanometric multilayers: thermal behavior and stabilitycitations
- 2023Thermocapillary convection in a laser-heated Ni melt pool: A molecular dynamics studycitations
- 2022Mechanical alloying in the Co-Fe-Ni powder mixture: Experimental study and molecular dynamics simulationcitations
- 2022Fast mechanical synthesis, structure evolution, and thermal stability of nanostructured CoCrFeNiCu high entropy alloycitations
- 2021Thermal Stability of Medium- and High-Entropy Alloys of 3d-Transition Metalscitations
- 2021Mechanical activation of metallic powders and reactivity of activated nanocomposites: a molecular dynamics approachcitations
- 2021Effects of mechanical activation on chemical homogeneity and contamination level in dual-phase AlCoCrFeNi high entropy alloycitations
- 2021Molecular Dynamics studies in nano-joining: self-propagating reaction in Ni/Al nanocompositescitations
- 2020Reaction front propagation in nanocrystalline Ni/Al composites: a Molecular Dynamics studycitations
- 2020Effects of planetary ball milling on AlCoCrFeNi high entropy alloys prepared by Spark Plasma Sintering: Experiments and molecular dynamics studycitations
- 2020Effects of planetary ball milling on AlCoCrFeNi high entropy alloys prepared by Spark Plasma Sintering: Experiments and molecular dynamics studycitations
- 2020Combustion synthesis of TiC-based ceramic-metal composites with high entropy alloy bindercitations
- 2019High-Entropy-Alloy Binder for TiC-Based Cemented Carbide by SHS Methodcitations
- 2017Self-propagating waves of crystallization in metallic glassescitations
- 2012Study of the reactive dynamics of nanometric metallic multilayers using Molecular Dynamics: the Al−Ni systemcitations
- 2010Combustion synthesis of MoSi2 and MoSi2–Mo5Si3 composites: Multilayer modeling and control of the microstructure
- 2007Main Recent Contributions to SHS from Francecitations
- 2007A multilayer model for self-propagating high-temperature synthesis of inter-metallic compoundscitations
- 2007Determination of transport and kinetic properties in self-propagating high-temperature synthesiscitations
Places of action
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article
Reaction front propagation in nanocrystalline Ni/Al composites: a Molecular Dynamics study
Abstract
This work focuses on a class of nano-laminated Ni/Al composites fabricated by a rolling-stacking procedure. This method results in nano-laminated composites with a complex structure. Their reactivity was compared with that of reactive multilayer nanofoils with constant bilayer thickness. Typical samples are composed of randomly distributed grains of Ni and Al. The self-propagating reactive front presents peculiarities that are directly related to the initial microstructure. The combustion mode is unsteady, with shifts in velocity. The temperature profile is characterized by broad combustion and post-combustion zones. The instantaneous shape of the front is tortuous, with the appearance of hot spots correlated with the underlying grain configuration. Local dynamics was studied in order to detect all the elemental processes occurring at nanoscale that trigger propagation: melting of Al, coarsening of Al grains, progressive exothermic dissolution mixing, heterogeneous nucleation and growth of the intermetallic phase, B2-NiAl. The role of the complex initial microstructure was clearly demonstrated.