High-Entropy Alloys (HEAs)

Dear Colleagues,

Originated from the idea of multi-principal-element solid solution, the field of “high-entropy alloys (HEAs)” has attracted intense and increasing interest from academia and industries worldwide. Outstanding (physical, mechanical, and functional) properties have been reported for a variety of HEAs. In order to balance the properties for targeted applications, the microstructure of HEAs can be a single phase or composite, and traditional physical metallurgy principles have been applied to develop unique HEAs, including high-entropy stainless steels, high-entropy superalloys, high-entropy refractory alloys, high-entropy light-weight alloys, high-entropy oxides, high-entropy metallic compounds, etc. As presented in a recent comprehensive review on HEAs (High-Entropy Alloys: Fundamentals and Applications (2016). 1st edn. Gao MC, Yeh JW, Liaw PK, Zhang Y (eds). Springer International Publishing, Cham, Switzerland. doi:10.1007/978-3-319-27013-5), great challenges remain in fundamental understanding of HEAs formation and their properties, and potential high-performance HEAs are yet to be explored. The objective of this Special Issue is to timely disseminate the rapid progress in fundamental understanding and applications of HEAs.

Specific topics of interest include (but are not limited to):

• Accelerated alloy design using combinatorial approach, models or others
• Structure/processing/properties relationships
• Advanced characterization including neutron scattering, 3-dimension scanning electron microscopy, high-resolution transmission electron microscopy, etc.
• Mechanical, electrochemical, physical, anti-irradiation, thermodynamic, kinetic, and other properties
• Computational modeling: first-principles density functional theory, molecular dynamics, Monte Carlo simulations, phase field, finite element methods, CALPHAD, etc.

Dr. Michael C. Gao
Professor Junwei Qiao
Guest Editor

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