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Article

Transition from High-Entropy to Conventional Alloys: Which Are Better?

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Department of Physics, Faculty of Science, University of Zagreb, 10000 Zagreb, Croatia
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Institute of Physics, 10000 Zagreb, Croatia
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Institute for Materials Research—UNAM, Mexico City 04510, Mexico
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ICMPE, Universite Paris Est, 94320 Thiais, France
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Institut Neel—CNRS, 38042 Grenoble, France
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Physics Department, Josip Juraj Strossmayer University, 31000 Osijek, Croatia
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Department of Physics, Faculty of Science, University of Sarajevo, 71000 Sarajevo, Bosnia and Herzegovina
*
Author to whom correspondence should be addressed.
Academic Editor: Andrey Belyakov
Materials 2021, 14(19), 5824; https://doi.org/10.3390/ma14195824
Received: 27 August 2021 / Revised: 25 September 2021 / Accepted: 29 September 2021 / Published: 5 October 2021
(This article belongs to the Special Issue Compositional Complex Alloys: From Amorphous to High-Entropy)
The study of the transition from high-entropy alloys (HEAs) to conventional alloys (CAs) composed of the same alloying components is apparently important, both for understanding the formation of HEAs and for proper evaluation of their potential with respect to that of the corresponding CAs. However, this transition has thus far been studied in only two types of alloy systems: crystalline alloys of iron group metals (such as the Cantor alloy and its derivatives) and both amorphous (a-) and crystalline alloys, TE-TL, of early (TE = Ti, Zr, Nb, Hf) and late (TL = Co, Ni, Cu) transition metals. Here, we briefly overview the main results for the transition from HEAs to CAs in these alloy systems and then present new results for the electronic structure (ES), studied with photoemission spectroscopy and specific heat, atomic structure, thermal, magnetic and mechanical properties of a-TE-TL and Cantor-type alloys. A change in the properties of the alloys studied on crossing from the HEA to the CA concentration range mirrors that in the ES. The compositions of the alloys having the best properties depend on the alloy system and the property selected. This emphasizes the importance of knowing the ES for the design of new compositional complex alloys with the desired properties. View Full-Text
Keywords: compositional complex alloys; high-entropy alloys; amorphous alloys; electronic structure; atomic structure; thermal properties; hardness; magnetic properties compositional complex alloys; high-entropy alloys; amorphous alloys; electronic structure; atomic structure; thermal properties; hardness; magnetic properties
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MDPI and ACS Style

Babić, E.; Drobac, Đ.; Figueroa, I.A.; Laurent-Brocq, M.; Marohnić, Ž.; Mikšić Trontl, V.; Pajić, D.; Perrière, L.; Pervan, P.; Remenyi, G.; Ristić, R.; Salčinović Fetić, A.; Starešinić, D.; Zadro, K. Transition from High-Entropy to Conventional Alloys: Which Are Better? Materials 2021, 14, 5824. https://doi.org/10.3390/ma14195824

AMA Style

Babić E, Drobac Đ, Figueroa IA, Laurent-Brocq M, Marohnić Ž, Mikšić Trontl V, Pajić D, Perrière L, Pervan P, Remenyi G, Ristić R, Salčinović Fetić A, Starešinić D, Zadro K. Transition from High-Entropy to Conventional Alloys: Which Are Better? Materials. 2021; 14(19):5824. https://doi.org/10.3390/ma14195824

Chicago/Turabian Style

Babić, Emil, Đuro Drobac, Ignacio A. Figueroa, Mathilde Laurent-Brocq, Željko Marohnić, Vesna Mikšić Trontl, Damir Pajić, Loїc Perrière, Petar Pervan, Gyorgy Remenyi, Ramir Ristić, Amra Salčinović Fetić, Damir Starešinić, and Krešo Zadro. 2021. "Transition from High-Entropy to Conventional Alloys: Which Are Better?" Materials 14, no. 19: 5824. https://doi.org/10.3390/ma14195824

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