Study of Microstructure, Phase Composition and Oxidation Resistance of High-Entropy Alloys Al0.25CoCrFeNi and Al0.25CoCrFeNiCuAgx (x = 0, 0.1, 0.2)
—The microstructure, phase composition, and oxidation resistance of as-cast high-entropy alloys (HEAs) Al 0.25 CoCrFeNi and Al 0.25 CoCrFeNiCuAg x ( x = 0, 0.1, 0.2) have been studied. Oxidation was carried out at 700°C for 50 h in air. During the experiment, curves for the dependence of the specifi...
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Veröffentlicht in: | Inorganic materials : applied research 2024-08, Vol.15 (4), p.1091-1099 |
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Hauptverfasser: | , , , |
Format: | Artikel |
Sprache: | eng |
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Zusammenfassung: | —The microstructure, phase composition, and oxidation resistance of as-cast high-entropy alloys (HEAs) Al
0.25
CoCrFeNi and Al
0.25
CoCrFeNiCuAg
x
(
x
= 0, 0.1, 0.2) have been studied. Oxidation was carried out at 700°C for 50 h in air. During the experiment, curves for the dependence of the specific weight gain on the exposure time were plotted. It has been shown that the introduction of copper has a slight effect on the resistance of the base Al
0.25
CoCrFeNi HEA to oxidation, while additional (to copper) alloying with silver worsens the resistance of the samples to high-temperature gas corrosion. |
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ISSN: | 2075-1133 2075-115X |
DOI: | 10.1134/S2075113324700643 |