Skip to Main content Skip to Navigation
Journal articles

Thermal Stability of Medium- and High-Entropy Alloys of 3d-Transition Metals

Abstract : A family of High-Entropy Alloys (HEA) composed of 3d-transitional metals is attracting great interest due to the mechanical, magnetic and electrical properties that are valuable in the development of advanced structural and functional materials. In this work, we studied X-CoCrFeNi HEAs, where X = Al, Ti, or Cu, produced by mechanical alloying by means of highenergy ball milling. Powder mixture composed of elemental metal powders transforms in a homogeneous alloy (super-saturated solid solution) due to the intense diffusion which takes place in the course of friction and shear deformation of the metal particles during the mechanical alloying. The thermal stability of the HEA phases was experimentally studied in the range 873 K-1273 K using high-temperature X-ray diffraction and compared with the results of thermodynamic calculations (Calphad).
Complete list of metadata

https://hal.archives-ouvertes.fr/hal-03347427
Contributor : Florence Baras Connect in order to contact the contributor
Submitted on : Friday, September 17, 2021 - 11:11:05 AM
Last modification on : Saturday, September 18, 2021 - 3:22:02 AM

File

JPED_HAL.pdf
Files produced by the author(s)

Identifiers

Citation

A. Fourmont, A. Rogachev, S. Le Gallet, O. Politano, D. Yu. Kovalev, et al.. Thermal Stability of Medium- and High-Entropy Alloys of 3d-Transition Metals. Journal of Phase Equilibria and Diffusion, Springer Verlag, inPress, ⟨10.1007/s11669-021-00903-y⟩. ⟨hal-03347427⟩

Share

Metrics

Record views

22

Files downloads

30