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Future Trends in High-Entropy Alloys (3rd Edition)
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Future Trends in High-Entropy Alloys (3rd Edition)

A Special Issue of Materials (ISSN 1996-1944) belonging to the section "Metals and Alloys".

Deadline for manuscript submissions: 20 December 2026 | Viewed by 850

Editors

Prof. Dr. Jason Shian-Ching Jang

E-Mail Website
Guest Editor
Institute of Material Science and Engineering, National Central University, Taoyuan 32001, Taiwan
Interests: lightweight high-entropy alloys; bulk metallic glass (BMG) and composite materials; thermoplastic forming of BMG foam
Special Issues, Collections and Topics in MDPI journals
Dr. Tsai-Fu Chung

E-Mail Website1 Website2
Guest Editor
Department of Materials Science and Engineering, National Yang Ming Chiao Tung University, Hsinchu 300093, Taiwan
Interests: FCC high-entropy alloys; aluminium alloys; tempered martensitic steel alloys; atomic-level microstructure analysis; high-strain-rate mechanical behavior

Special Issue Information

Dear Colleagues,

High-entropy alloys (HEAs) are an exciting and vibrant research field in materials science, and recently, the research on HEAs has been widespread across the globe. Numerous studies have shown that the high-entropy strategy has great potential for developing new materials with properties beyond those of conventional materials based on one principal element or component by exploring central regions of complex composition space. The topics of interest in this Special Issue include, but are not limited to, the preparation, properties, and applications of materials, encompassing experimental, theoretical, and computational research on phase diagrams, processing, microstructure characterization, and mechanical, physical, chemical, and functional properties of HEMs.

Prof. Dr. Jason Shian-Ching Jang
Dr. Tsai-Fu Chung
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 250 words) can be sent to the Editorial Office for assessment.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-anonymized peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Materials is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • high-entropy alloys (HEAs)
  • medium-entropy alloys (MEAs)
  • high-entropy alloy thin film
  • computational alloy design
  • phase diagram
  • microstructure characterization
  • mechanical properties
  • thermomechanical treatment
  • hetero-structural microstructure
  • functional application

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Published Papers (1 paper)

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Research

14 pages, 4380 KB  
Article
Ductile Lightweight Tix(AlCrZrV)100−x Medium Entropy Alloys with Superior Specific Yield Strength Through Compositional Tuning and Thermomechanical Treatment
by Po-Sung Chen, Ming-Che Li, Jason Shian-Ching Jang and I-Yu Tsao
Materials 2026, 19(12), 2644; https://doi.org/10.3390/ma19122644 - 19 Jun 2026
Viewed by 537
Abstract
In this study, the Nb from the lightweight Ti65(AlCrNbV)35 medium-entropy alloy was replaced with Zr to create lower-density Tix(AlCrZrV)100−x (x = 65, 67, 70, or 75) alloys. All alloy ingots were fabricated through vacuum arc [...] Read more.
In this study, the Nb from the lightweight Ti65(AlCrNbV)35 medium-entropy alloy was replaced with Zr to create lower-density Tix(AlCrZrV)100−x (x = 65, 67, 70, or 75) alloys. All alloy ingots were fabricated through vacuum arc melting and drop casting. X-ray diffraction analysis revealed all as-cast alloys exhibited only a single body-centered cubic structure. As the Ti content increased, the strength of the as-cast alloys decreased from 1247 to 981 MPa, whereas their elongation marginally improved. Moreover, the mechanical properties of these alloys were considerably enhanced through thermomechanical treatment (50% hot rolling and 80% cold rolling) and then rapid annealing at 700 °C, 800 °C, or 900 °C. An increase in the annealing temperature led to a notable decrease in the yield strength of the alloys but a considerable increase in their ductility. Ti65, Ti67, and Ti70 alloys annealed at 700 °C or 800 °C exhibited a yield strength of ≥1200 MPa and a ductility of ≥10%. Of the fabricated alloys, the Ti67 alloy annealed at 700 °C exhibited the optimal mechanical properties (yield strength of 1552 MPa and ductility of 13.6%). It exhibited low density (4.89 g/cm3) and a specific yield strength of 317 MPa·cm3/g, thus demonstrating considerable potential for transportation and energy applications. Full article
(This article belongs to the Special Issue Future Trends in High-Entropy Alloys (3rd Edition))
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