Influence of partial shape memory deformation on the burst character of its recovery in heated Ni–Fe–Ga–Co alloy crystals
- Authors: Nikolaev V.I.1, Yakushev P.N.1, Malygin G.A.1, Averkin A.I.1, Pulnev S.A.1, Zograf G.P.1,2, Kustov S.B.2,3, Chumlyakov Y.I.4
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Affiliations:
- Ioffe Physical Technical Institute
- St. Petersburg National Research University of Information Technologies
- Universitat de Illes Balears
- Siberian Physical Technical Institute
- Issue: Vol 42, No 4 (2016)
- Pages: 399-402
- Section: Article
- URL: https://journals.rcsi.science/1063-7850/article/view/198647
- DOI: https://doi.org/10.1134/S1063785016040209
- ID: 198647
Cite item
Abstract
Room-temperature stress–strain curves of Ni49Fe18Ga27Co6 alloy single crystals possessing shape memory (SM) have been studied. Specific features of these diagrams are revealed upon compressive loading of these single crystals in the [110]A direction. The influence of preliminary SM deformation on the process of its recovery during the reverse martensite transformation has been studied. It is established that SM deformation above 4.2% leads to a sharp increase in the shape recovery on heating and the process exhibits a burst character, involving motion of the entire crystal. The experimental data are analyzed and stress–strain curves are simulated in the framework of the theory of diffuse martensitic transitions.
About the authors
V. I. Nikolaev
Ioffe Physical Technical Institute
Author for correspondence.
Email: nikolaev.v@mail.ioffe.ru
Russian Federation, St. Petersburg, 194021
P. N. Yakushev
Ioffe Physical Technical Institute
Email: nikolaev.v@mail.ioffe.ru
Russian Federation, St. Petersburg, 194021
G. A. Malygin
Ioffe Physical Technical Institute
Email: nikolaev.v@mail.ioffe.ru
Russian Federation, St. Petersburg, 194021
A. I. Averkin
Ioffe Physical Technical Institute
Email: nikolaev.v@mail.ioffe.ru
Russian Federation, St. Petersburg, 194021
S. A. Pulnev
Ioffe Physical Technical Institute
Email: nikolaev.v@mail.ioffe.ru
Russian Federation, St. Petersburg, 194021
G. P. Zograf
Ioffe Physical Technical Institute; St. Petersburg National Research University of Information Technologies
Email: nikolaev.v@mail.ioffe.ru
Russian Federation, St. Petersburg, 194021; St. Petersburg, 197101
S. B. Kustov
St. Petersburg National Research University of Information Technologies; Universitat de Illes Balears
Email: nikolaev.v@mail.ioffe.ru
Russian Federation, St. Petersburg, 197101; Palma de Mallorca, E-07122
Yu. I. Chumlyakov
Siberian Physical Technical Institute
Email: nikolaev.v@mail.ioffe.ru
Russian Federation, Tomsk, 634050