Experimental measurement and ab-initio assessment of oxidation behaviour of CoCrNiCu0.5 dual phase multi-component alloys

Subham Das

doi:10.1016/j.corsci.2026.114127

Experimental measurement and ab-initio assessment of oxidation behaviour of CoCrNiCu0.5 dual phase multi-component alloys

2026-07-23

0

PRE

AI

S

Subham Das

N

N.K. Chaitanya

G

Gajendra Patel

T

Tamanna H. Panigrahi

S

Shelaka Gupta *

M

M. Vaidya *

DOI：10.1016/j.corsci.2026.114127

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Abstract

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• CoCrNiCu0.5 exhibits Cu-rich (FCC1) and Cu-lean (FCC2) phases. • Isothermal oxidation at 800˚C results in formation of CuO and Cr2O3 oxides. • Internal oxidation of Cr2O3 along Cu-depleted regions of FCC1 phase was observed. • DFT analysis shows strongest O binding in three-fold sites with maximum Cr atoms. • AIMD shows the outward diffusion of Cr atoms in both the phases.

Experimental measurement and ab-initio assessment of oxidation behaviour of CoCrNiCu0.5 dual phase multi-component alloys

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