Elemental Phase Partitioning in the γ-γⳠNi2CoFeCrNb0.15 High Entropy Alloy.
Entropy (Basel)
; 20(12)2018 Nov 28.
Article
em En
| MEDLINE
| ID: mdl-33266634
ABSTRACT
The partitioning of the alloying elements into the γⳠnanoparticles in a Ni2CoFeCrNb0.15 high entropy alloy was studied by the combination of atom probe tomography and first-principles calculations. The atom probe tomography results show that the Co, Fe, and Cr atoms incorporated into the Ni3Nb-type γⳠnanoparticles but their partitioning behaviors are significantly different. The Co element is much easier to partition into the γⳠnanoparticles than Fe and Cr elements. The first-principles calculations demonstrated that the different partitioning behaviors of Co, Fe and Cr elements into the γⳠnanoparticles resulted from the differences of their specific chemical potentials and bonding states in the γⳠphase.
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MEDLINE
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En
Ano de publicação:
2018
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Article