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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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Tsuji, Nobuhiro
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (13/13 displayed)
- 2024Recrystallization and mechanical behavior of Co 40 (CrFeNi) 60 medium-entropy alloy
- 2022Evolution of microstructure and mechanical properties during annealing of heavily rolled AlCoCrFeNi2.1 eutectic high-entropy alloycitations
- 2022Separation of XRD peak profiles in single-phase metals with bimodal grain structure to analyze stress partitioningcitations
- 2022Separation of XRD peak profiles in single-phase metals with bimodal grain structure to analyze stress partitioningcitations
- 2022Evolution of microstructure and mechanical properties during annealing of heavily rolled AlCoCrFeNi 2.1 eutectic high-entropy alloycitations
- 2021Effects of local stress, strain, and hydrogen content on hydrogen-related fracture behavior in low-carbon martensitic steelcitations
- 2021Unique transition of yielding mechanism and unexpected activation of deformation twinning in ultrafine grained Fe-31Mn-3Al-3Si alloycitations
- 2020Challenging Ultra Grain Refinement of Ferrite in Low-C Steel Only by Heat Treatmentcitations
- 2020Tensile Deformation of Ultrafine-Grained Fe-Mn-Al-Ni-C Alloy Studied by In Situ Synchrotron Radiation X-ray Diffractioncitations
- 2019Deformation microstructures and strength of face-centered cubic high/medium entropy alloyscitations
- 2018Fabrication of nitrogen-containing diamond-like carbon film by filtered arc deposition as conductive hard-coating filmcitations
- 2017Mechanism of Dynamic Formation of Ultrafine Ferrite Grains during High Temperature Processing in Steel citations
- 2014Microstructures and Mechanical Properties of an Artificially-Aged Al-Mg-Ga Alloycitations
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article
Evolution of microstructure and mechanical properties during annealing of heavily rolled AlCoCrFeNi2.1 eutectic high-entropy alloy
Abstract
Changes in the microstructure and mechanical properties during annealing at 800 °C have been characterized in a 90% cold-rolled AlCoCrFeNi<sub>2.1</sub>eutectic high-entropy alloy containing the FCC and B2 (ordered BCC)phases. In the as-rolled condition, the FCC phase is found to contain ahigh frequency of finely spaced deformation-induced boundaries, whichprovides a high driving force for recrystallization within this phase.Quantitative analysis of electron backscatter diffractiondata from the annealed samples indicates that recrystallizationprogresses faster in the FCC phase than in B2 regions. Althoughrecrystallization leads to substantial coarsening of the microstructure,the average recrystallized grain size remains in the submicron rangeeven after 2 h at 800 °C. Tensile test data demonstrate thatcombinations of high yield strength and good ductility are obtained inpartially recrystallized samples produced by annealing for 2.5–10 min.However, the work-hardening capacity of each annealed sample is lowerthan that of the cold-rolled sample. Furthermore, for the samplesannealed for at least 5 min a yield drop is observed soon after theonset of plastic deformation. Analysis of the microstructure and mechanical behavior in several annealed AlCoCrFeNi<sub>2.1</sub>samples indicates a clear correlation between the magnitude of theyield drop and the recrystallized fraction. The mechanical behavior ofthe AlCoCrFeNi<sub>2.1</sub> alloy studied in this work is compared with that reported in previous publications.