| 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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Rymer, L.-M.
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Topics
Publications (4/4 displayed)
- 2023Enhanced high-temperature wear behavior of high-speed laser metal deposited Al<sub>0.3</sub>CrFeCoNi coatings alloyed with Nb and Mocitations
- 2022Influence of Aluminum and Molybdenum on the Microstructure and Corrosion Behavior of Thermally Sprayed High-Entropy Alloy Coatingscitations
- 2022Enhancing the Wear Resistance of the Medium-Entropy Alloy CrFeNi by Minor Alloying Constituents of BSiC for Surface Protective Coatings by Thermal Spraying
- 2017Composition of highly concentrated silicate electrolytes and ultrasound influencing the plasma electrolytic oxidation of magnesiumcitations
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article
Influence of Aluminum and Molybdenum on the Microstructure and Corrosion Behavior of Thermally Sprayed High-Entropy Alloy Coatings
Abstract
<jats:title>Abstract</jats:title><jats:p>High-entropy alloys (HEAs) have shown a wide range of promising structural and functional properties. By the application of coating technology, an economical exploitation can be achieved. The high wear and corrosion resistance of HEAs make them particularly interesting for the application as protective coatings. Especially for alloys with a high chromium content, a high corrosion resistance has been revealed. For the current investigations, the equimolar HEA CrFeCoNi with a single-phase face centered cubic structure is considered as a base alloy system. To increase the corrosion resistance as well as the hardness and strength, the influence of the alloying elements aluminum and molybdenum is analyzed. For the current investigations, the high kinetic process high-velocity oxygen fuel thermal spraying (HVOF) has been considered to produce coatings with a low porosity and oxide content. Feedstock is produced by inert gas atomization. The influence of the alloy composition on the microstructure, phase formation and resulting property profile is studied in detail. A detailed analysis of the corrosion resistance and underlying mechanisms is conducted. The pitting and passivation behavior are investigated by potentiodynamic polarization measurements in NaCl and H<jats:sub>2</jats:sub>SO<jats:sub>4</jats:sub> electrolyte. A distinct improvement of the corrosion resistance can be achieved for the alloy Al<jats:sub>0.3</jats:sub>CrFeCoNiMo<jats:sub>0.2</jats:sub>.</jats:p>