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Refractory high-entropy alloys Mo–Nb–Ta–(Cr, V, Zr, Hf, Ti, Mm + Dy) by combined centrifugal casting–SHS process: Structure and oxidation resistance
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DOI：10.1016/j.ijrmhm.2026.107931.png)
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Abstract
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• Seven Mo–Nb–Ta-based RHEAs alloyed with Cr, V, Zr, Hf, Ti, and RE elements were synthesized by centrifugal casting–SHS. • Phase constitution of ingots depends on alloying; Group V-VI yields near single-phase bcc solutions. • MoNbTa–Cr–V and MoNbTa–Cr–Ti alloys show the highest oxidation resistance at 1000°C. • Centrifugal casting–SHS promotes rutile-type CrNbO4/CrTaO4 scaleswith oxidation resistance near Ni superalloys.
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