Refractory high-entropy alloys Mo–Nb–Ta–(Cr, V, Zr, Hf, Ti, Mm + Dy) by combined centrifugal casting–SHS process: Structure and oxidation resistance

V. Sanin

doi:10.1016/j.ijrmhm.2026.107931

Refractory high-entropy alloys Mo–Nb–Ta–(Cr, V, Zr, Hf, Ti, Mm + Dy) by combined centrifugal casting–SHS process: Structure and oxidation resistance

2026-06-17

0

PRE

AI

V

V. Sanin *

D

D. Ikornikov

A

A. Sivakova

D

D. Kovalev

O

O. Golosova

V

V. Sanin

M

M. Panova

DOI：10.1016/j.ijrmhm.2026.107931

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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.

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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