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Title: High-entropy functional materials

Journal Article · · Journal of Materials Research
DOI:https://doi.org/10.1557/jmr.2018.323· OSTI ID:1509730
 [1];  [2];  [3];  [4];  [4];  [3]
  1. National Energy Technology Lab. (NETL), Albany, OR (United States); AECOM, Albany, OR (United States)
  2. AF Research Lab, Wright-Patterson AFB, OH (United States)
  3. National Energy Technology Lab. (NETL), Albany, OR (United States)
  4. Univ. of Science and Technology Beijing, Beijing (People's Republic of China)

While most papers on high-entropy alloys (HEAs) focus on the microstructure and mechanical properties for structural materials applications, there has been growing interest in developing high-entropy functional materials. The objective of this paper is to provide a brief, timely review on select functional properties of HEAs, including soft magnetic, magnetocaloric, physical, thermoelectric, superconducting, and hydrogen storage. Comparisons of functional properties between HEAs and conventional low- and medium-entropy materials are provided, and examples are illustrated using computational modeling and tuning the composition of existing functional materials through substitutional or interstitial mixing. Extending the concept of high configurational entropy to a wide range of materials such as intermetallics, ceramics, and semiconductors through the isostructural design approach is discussed. As a result, perspectives are offered in designing future high-performance functional materials utilizing the high-entropy concepts and high-throughput predictive computational modeling.

Research Organization:
National Energy Technology Laboratory (NETL), Pittsburgh, PA, Morgantown, WV, and Albany, OR (United States)
Sponsoring Organization:
FE; USDOE
Grant/Contract Number:
FE0004000
OSTI ID:
1509730
Report Number(s):
CONTR-PUB-478
Journal Information:
Journal of Materials Research, Vol. 33, Issue 19; ISSN 0884-2914
Publisher:
Materials Research SocietyCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 160 works
Citation information provided by
Web of Science

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Cited By (8)

Semiconducting SiGeSn high-entropy alloy: A density functional theory study journal December 2019
High entropy Sr((Zr 0.94 Y 0.06 ) 0.2 Sn 0.2 Ti 0.2 Hf 0.2 Mn 0.2 )O 3− x perovskite synthesis by reactive spark plasma sintering journal March 2019
TiVZrNb Multi-Principal-Element Alloy: Synthesis Optimization, Structural, and Hydrogen Sorption Properties journal July 2019
Unveiling the mechanism of abnormal magnetic behavior of FeNiCoMnCu high-entropy alloys through a joint experimental-theoretical study journal January 2020
Compositional Design of Soft Magnetic High Entropy Alloys by Minimizing Magnetostriction Coefficient in (Fe0.3Co0.5Ni0.2)100−x(Al1/3Si2/3)x System journal March 2019
High entropy alloys as a bold step forward in alloy development journal April 2019
Transition from high-entropy to Cu-based (TiZrNbNi) 1− x Cu x metallic glasses journal October 2019
The AC Soft Magnetic Properties of FeCoNixCuAl (1.0 ≤ x ≤ 1.75) High-Entropy Alloys journal December 2019

Figures / Tables (14)


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