A thermodynamic study of corrosion behaviors for CoCrFeNi-based high-entropy alloys

Document Type

Article

Publication Date

10-1-2018

Abstract

To better understand the corrosion behaviors of CoCrFeNi-based high-entropy alloys (HEAs), the CALculation of PHAse Diagrams (CALPHAD) method was used to simulate the Pourbaix diagrams for CoCrFeNi, CoCrFeNiCu and CoCrFeNiAl HEAs. Although the CALPHAD simulations were performed under equilibrium conditions, assisted by published experimental results on CoCrFeNi, CoCrFeNiCu and CoCrFeNiAl0.5 HEAs, the CALPHAD simulations provide insights into the corrosion behaviors, such as the oxidation layer pitting and forming potential, of the CoCrFeNi-based HEAs.

Publication Source (Journal or Book title)

Journal of Materials Science

First Page

14729

Last Page

14738

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