High‑entropy alloys with shape memory based on the Ti–Ni–Co–Cu–Zr–Hf system
https://doi.org/10.21122/1683-6065-2026-1-98-103
Abstract
The paper presents the results of a study of a Ti–Ni–Co–Cu–Zr–Hf high-entropy shape-memory alloy. The alloy samples were found to have a dendritic structure and crystallize in the main B2 phase. Using differential scanning calorimetry methods, it was determined that heat treatment, including homogenization at 800 °C for 1 hour and subsequent annealing at a temperature of 500 °C for 2 hours, causes a change in the calorimetric curves during heating and cooling: first-order phase transitions are realized in the temperature range of –60 – +80 °C, with the latent heat ranging from 3 to 7.5 J/g.
About the Authors
V. V. Rubanik jr.
Institute of Technical Acoustics of the National Academy of Sciences of Belarus
Belarus
Belarus
13, Ludnikova ave
Vitebsk
ita@vitebsk.by
V. V. Rubanik
Institute of Technical Acoustics of the National Academy of Sciences of Belarus
Belarus
Belarus
13, Ludnikova ave
Vitebsk
M. S. Karpachova
Institute of Technical Acoustics of the National Academy of Sciences of Belarus
Belarus
Belarus
13, Ludnikova ave
Vitebsk
B.-T. Tran
Institute of Materials Science, Vietnam Academy of Science and Technology
Viet Nam
Viet Nam
18, Hoang Quoc Viet str.
Hanoi
trungtb@ims.vast.ac.vn
D.-P. Doan
Institute of Materials Science, Vietnam Academy of Science and Technology
Viet Nam
Viet Nam
18, Hoang Quoc Viet str.
Hanoi
References
1. Cantor B., Chang I. T. H., Knight P., Vincent A. J. B. Microstructural development in equiatomic multicomponent alloys. Materials Science and Engineering: A, 2004, vol. 375–377, pp. 213–218.
2. Gao M. C., Yeh J. W., Liaw P. K., Zhang Y. (ed.) High-entropy alloys: fundamentals and applications. Cham, Springer International Publishing, 2016, 524 p.
3. Cantor B. Multicomponent and high‑entropy alloys. Entropy, 2014, vol. 16, iss. 9, pp. 4749–4768.
4. Firstov G. S., Kosorukova T.A., Koval Yu. N., Odnosum V. V. High entropy shape memory alloys. Materials Today: Proceedings, 2015, vol. 2, iss. 3, pp. 499–503.
5. Firstov G. S., Kosorukova T.A., Koval Y. N., Verhovlyuk P.A. Directions for hightemperature shape memory alloys’ improvement: straight way to high‑entropy materials? Shape Memory and Superelasticity, 2015, vol. 1, iss. 4, pp. 400–407.
6. Firstov G., Timoshevski A., Kosorukova T. [et al.] Electronic and crystal structure of the high entropy TiZrHfCoNiCu intermetallics undergoing martensitic transformation. MATEC Web of Conferences, 2015, vol. 33, art. 06006.
7. Chen C.‑H., Chen Y.‑J. Shape memory characteristics of (TiZrHf)50Ni25Co10Cu15 high entropy shape memory alloy. Scripta Materialia, 2019, vol. 162, pp. 185–189.
8. Resnina N., Belyaev S., Sibirev A. [et al.] The infuence of the chemical composition of the Ti–Hf–Zr–Ni–Cu–Co shape memory alloys on the structure and the martensitic transformations. Journal of Alloys and Compounds, 2023, vol. 968, art. 172040.
9. Peltier L., Thiercelin L., Meraghni F. Design of (TiHfZr)(NiCoCu) high‑entropy shape memory alloys: from Firstov’s experiments to data‑driven approach. Shape Memory and Superelasticity, 2025, vol. 11, pp. 255–266.
Review
For citations:
Rubanik jr. V.V., Rubanik V.V., Karpachova M.S., Tran B., Doan D. High‑entropy alloys with shape memory based on the Ti–Ni–Co–Cu–Zr–Hf system. Litiyo i Metallurgiya (FOUNDRY PRODUCTION AND METALLURGY). 2026;(1):98-103. (In Russ.) https://doi.org/10.21122/1683-6065-2026-1-98-103
Views:
131
JATS XML
Email this article 