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Solid-solution CrCoCuFeNi high-entropy alloy thin films synthesized by sputter deposition

Journal Article · · Materials Research Letters
 [1];  [1];  [1];  [2];  [1];  [3];  [3];  [4];  [1]
  1. Univ. of Tennessee, Knoxville, TN (United States)
  2. Univ. of Tennessee, Knoxville, TN (United States); Oak Ridge National Lab, Oak Ridge, TN (United States)
  3. Argonne National Lab. (ANL), Argonne, IL (United States)
  4. Univ. of Tennessee, Knoxville, TN (United States); Beijing Institute of Science and Technology, Beijing (People's Republic of China)
The concept of high configurational entropy requires that the high-entropy alloys (HEAs) yield single-phase solid solutions. However, phase separations are quite common in bulk HEAs. A five-element alloy, CrCoCuFeNi, was deposited via radio frequency magnetron sputtering and confirmed to be a single-phase solid solution through the high-energy synchrotron X-ray diffraction, energy-dispersive spectroscopy, wavelength-dispersive spectroscopy, and transmission electron microscopy. The formation of the solid-solution phase is presumed to be due to the high cooling rate of the sputter-deposition process.
Research Organization:
Argonne National Laboratory-Advanced Photon Source, IL (United States); National Energy Technology Laboratory (NETL), Pittsburgh, PA, and Morgantown, WV (United States); Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE Office of Fossil Energy (FE); USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
Grant/Contract Number:
AC02-06CH11357; FE0008855; FE0011194; FE0024054
OSTI ID:
1221537
Alternate ID(s):
OSTI ID: 1392586
Journal Information:
Materials Research Letters, Journal Name: Materials Research Letters Journal Issue: 4 Vol. 80; ISSN 2166-3831
Publisher:
Taylor and FrancisCopyright Statement
Country of Publication:
United States
Language:
English

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Cited By (8)

High-Entropy Alloy (HEA)-Coated Nanolattice Structures and Their Mechanical Properties journal September 2017
Microstructures and properties of high-entropy alloy films and coatings: a review journal February 2018
Structure and properties of lightweight high entropy alloys: a brief review journal May 2018
Formation of a hexagonal closed-packed phase in Al 0.5 CoCrFeNi high entropy alloy journal October 2017
Structural and Mechanical Properties of AlCoCrNi High Entropy Nitride Films: Influence of Process Pressure journal December 2019
Transformations in CrFeCoNiCu High Entropy Alloy Thin Films during In-Situ Annealing in TEM journal January 2020
Microstructure, Mechanical and Corrosion Behaviors of CoCrFeNiAl0.3 High Entropy Alloy (HEA) Films journal September 2017
Corrosion-Resistant High-Entropy Alloys: A Review journal February 2017


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