Structure and Properties of Refractory Medium/High-Entropy Alloys
A special issue of Metals (ISSN 2075-4701). This special issue belongs to the section "Entropic Alloys and Meta-Metals".
Deadline for manuscript submissions: 25 May 2025 | Viewed by 907
Special Issue Editors
Interests: refractory high-entropy alloys; medium- and high-entropy alloys; mechanical properties; dynamic mechanical properties; microstructure characteristic; aluminum alloys; mechanical behavior of materials; heat treatment; scanning electron microscopy
Interests: material characterization; materials microstructure; advanced materials; X-ray diffraction; mechanical properties; materials testing; mechanical behavior of materials; heat treatment; irradiation experiments; high entropy alloys; scanning electron microscopy
Special Issues, Collections and Topics in MDPI journals
Special Issue Information
Dear Colleagues,
There is an urgent need for new high-performance structural materials capable of withstanding extreme conditions, as current materials fall short in meeting the advanced requirements of high-temperature applications. These applications span various sectors, including ballistic impact resistance, aircraft engine components, materials operating under extreme conditions, and aerospace technologies. The global research focus has been on developing high-temperature structural materials that offer superior mechanical strength, wear resistance, irradiation tolerance, and corrosion resistance under harsh environments.
Multicomponent alloys, particularly refractory high-entropy alloys (RHEAs), have emerged as promising candidates for such demanding applications due to their potential to resist high-temperature damage. Recent studies have demonstrated that certain medium-entropy alloys (MEAs) and RHEAs exhibit exceptional properties, combining high strength and toughness with outstanding resistance to corrosion, irradiation, and extreme temperatures and pressures. The performances of these alloys can be further enhanced through the incorporation of specialized elements and the adoption of advanced fabrication techniques, such as additive manufacturing, 3D printing, directional solidification, laser–plasma-driven routes, and high-energy electron beam platforms.
This Special Issue will explore newly designed structural materials, specifically RHEAs and MEAs, that excel in extreme environments characterized by high temperatures, high pressures, severe corrosion, significant wear, high strain rate impacts, and elevated levels of irradiation damage. We invite authors to submit their latest research findings and reviews, contributing to the acceleration of these materials’ industrial implementation.
Dr. Muhammad Abubaker Khan
Dr. Jamieson Brechtl
Guest Editors
Manuscript Submission Information
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Keywords
- refractory high-entropy alloys
- high-entropy alloys
- medium-entropy alloys
- additively manufactured alloys
- mechanical properties
- dynamic mechanical properties
- friction and wear resistance
- high-temperature strength and ductility
- microstructure characterization
- corrosion resistance
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