Development of high-entropy shape-memory alloys: structure and properties

Research output: Contribution to journalArticleResearchpeer review

Authors

  • G. S. Firstov
  • Yu M. Koval
  • V. S. Filatova
  • V. V. Odnosum
  • G. Gerstein
  • H. J. Maier

Research Organisations

External Research Organisations

  • G. V. Kurdyumov Institute for Metal Physics National Academy of Sciences of Ukraine
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Details

Original languageEnglish
Pages (from-to)819-837
Number of pages19
JournalProgress in Physics of Metals
Volume24
Issue number4
Publication statusPublished - 12 Dec 2023

Abstract

Amongst functional materials, shape-memory alloys occupy a special position. After their discovery these alloys attracted substantial attention because of the possibility to restore significant deformation amounts under certain stress–temperature conditions due to the martensitic diffusionless phase transformation involved. It was possible to exploit not only so-called ‘shape-memory’ effect, but also superelasticity and high damping capacity. Over the years, more than 10 000 patents on shape-memory alloys were filed, appreciating not only the possibility to exploit the energy transformation to ensure the response (feedback) at the change in independent thermodynamic parameters (temperature, stress, pressure, electric or magnetic field, etc.), but the significant work output as well. The envisaged shape memory components covered applications in the automotive, aerospace, machine building and civil construction industries. Unfortunately, structural and functional fatigue restricted successful business application mostly to the medical sector, with the Nitinol shape-memory alloy dominating applications such as different implants, stents or cardiovascular valves. Emerging high-entropy shape-memory alloys can be considered as a chance to overcome the fatigue problems of today’s shape-memory alloys due to their specific structure that ensures superior resistance to irreversible plastic deformation.

Keywords

    high-entropy shape-memory alloys, martensitic transformation, mechanical properties, multiple principal element intermetallic compounds, shape memory and related phenomena, structure

ASJC Scopus subject areas

Cite this

Development of high-entropy shape-memory alloys: structure and properties. / Firstov, G. S.; Koval, Yu M.; Filatova, V. S. et al.
In: Progress in Physics of Metals, Vol. 24, No. 4, 12.12.2023, p. 819-837.

Research output: Contribution to journalArticleResearchpeer review

Firstov, GS, Koval, YM, Filatova, VS, Odnosum, VV, Gerstein, G & Maier, HJ 2023, 'Development of high-entropy shape-memory alloys: structure and properties', Progress in Physics of Metals, vol. 24, no. 4, pp. 819-837. https://doi.org/10.15407/ufm.24.04.819
Firstov, G. S., Koval, Y. M., Filatova, V. S., Odnosum, V. V., Gerstein, G., & Maier, H. J. (2023). Development of high-entropy shape-memory alloys: structure and properties. Progress in Physics of Metals, 24(4), 819-837. https://doi.org/10.15407/ufm.24.04.819
Firstov GS, Koval YM, Filatova VS, Odnosum VV, Gerstein G, Maier HJ. Development of high-entropy shape-memory alloys: structure and properties. Progress in Physics of Metals. 2023 Dec 12;24(4):819-837. doi: 10.15407/ufm.24.04.819
Firstov, G. S. ; Koval, Yu M. ; Filatova, V. S. et al. / Development of high-entropy shape-memory alloys : structure and properties. In: Progress in Physics of Metals. 2023 ; Vol. 24, No. 4. pp. 819-837.
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