Breakthrough applications of high-entropy materials

The concept of high-entropy alloys has been extended to ceramics, polymers, and composites. “High-entropy materials (HEMs)” are named to cover all these materials. Recently, HEMs has become a new emerging field through the collective efforts of many researchers. Basically, high mixing entropy can en...

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Bibliographic Details
Published in:Journal of materials research Vol. 33; no. 19; pp. 3129 - 3137
Main Authors: Yeh, Jien-Wei, Lin, Su-Jien
Format: Journal Article
Language:English
Published: New York, USA Cambridge University Press 14.10.2018
Springer International Publishing
Springer Nature B.V
Subjects:
21st century
Alloys
Applied and Technical Physics
Biomaterials
Carbide tools
Ceramics
Coatings
Composite materials
Cutting resistance
Cutting tool materials
Cutting tools
Dies
Ductility
Efficiency
Entropy
Entropy of formation
High entropy alloys
High temperature
Inorganic Chemistry
Invited Article
Materials Engineering
Materials research
Materials Science
Microstructure
Nanotechnology
Polymer matrix composites
Radiation damage
Radiation tolerance
Superalloys
Turbine blades
Turbines
breakthrough applications
high-entropy alloys
high-entropy ceramics
high-entropy materials
ISSN:0884-2914, 2044-5326
Online Access:Get full text
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Summary:The concept of high-entropy alloys has been extended to ceramics, polymers, and composites. “High-entropy materials (HEMs)” are named to cover all these materials. Recently, HEMs has become a new emerging field through the collective efforts of many researchers. Basically, high mixing entropy can enhance the formation of solution-type phases for alloys, ceramics, and composites at high temperatures, and in general leads to simpler microstructure. Large degrees of freedom in composition design as well as process design have been found to provide a wide range of microstructure and properties for applications. There are many opportunities for HEMs to overcome the bottlenecks of conventional materials. In this article, several possible breakthrough applications are pointed out and emphasized for turbine blades, thermal spray bond coatings, high-temperature molds and dies, sintered carbides for cutting tools, hard coatings for cutting tools, hardfacings, and radiation-damage resistant materials. In addition, more possible breakthrough examples are briefly described.
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ISSN:0884-2914
2044-5326
DOI:10.1557/jmr.2018.283