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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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Adam, Ondřej
Brno University of Technology
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (9/9 displayed)
- 2024Thermal stability of electron beam welded AlCoCrFeNi2.1 alloy
- 2023Electron beam welding of AlCoCrFeNi2.1 high entropy alloy to EN 1.4301 austenitic steelcitations
- 2022EFFECT OF Cr AND Ni ELEMENTS ON THE MICROSTRUCTURE AND PROPERTIES OF Cu-Fe-BASED IMMISCIBLE ALLOYS
- 2022ELECTRON BEAM WELDING OF AICoCrFeNi2.1 EUTECTIC HIGH-ENTROPY ALLOYcitations
- 2022MECHANICAL ALLOYING OF CUFE IMMISCIBLE ALLOY USING DIFFERENT MILLING CONDITIONS
- 2022Effect of Preheating on the Residual Stress and Material Properties of Inconel 939 Processed by Laser Powder Bed Fusioncitations
- 2021Ultrafine-grained Cu50(FeCo)50 immiscible alloy with excellent thermal stabilitycitations
- 2021Microstructure evolution of Cu-Fe-based immiscible alloys prepared by powder metallurgycitations
- 2020The Origins of High-Entropy Alloy Contamination Induced by Mechanical Alloying and Sinteringcitations
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article
Ultrafine-grained Cu50(FeCo)50 immiscible alloy with excellent thermal stability
Abstract
This work deals with the microstructural characterization of bulk Cu50(FeCo)50 immiscible alloy prepared by mechanical alloying and spark plasma sintering. The microstructure evolution is investigated from milled powder through sintering to annealing at temperatures of 800 °C and 980 °C for 3 h. Despite the immiscibility of Cu with Fe and Co, the FCC supersaturated solid solution was formed upon mechanical alloying. During sintering, the supersaturated solid solution decomposed into a fine microstructure composed of Cu-rich and FeCo-rich phases. However, the equilibrium microstructure was not reached even during annealing when, in addition to FCC Cu-rich phases and BCC FeCo-rich phases, FCC FeCo-rich phases with increased Cu content were present in the microstructure. The average grain size of 0.35 μm after sintering increased to 0.85 μm after annealing at a temperature corresponding to 90% of the melting point. Thus, the Cu50(FeCo)50 alloy exhibits excellent thermal stability compared to other ultrafine-grained materials, which is caused due to its immiscible nature.