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Title | Role of the Temperature Dependence of Elastic Modulus in the Basic Characteristics of Giant Magnetically Induced Deformation of Ferromagnetic Martensite |
Authors |
Kosogor, A.
|
ORCID | |
Keywords |
Martensitic transformation Magnetically induced reorientation Magnetostriction Young's elastic modulus |
Type | Article |
Date of Issue | 2017 |
URI | http://essuir.sumdu.edu.ua/handle/123456789/65789 |
Publisher | Sumy State University |
License | Copyright not evaluated |
Citation | Kosogor, A. Role of the Temperature Dependence of Elastic Modulus in the Basic Characteristics of Giant Magnetically Induced Deformation of Ferromagnetic Martensite [Текст] / A. Kosogor // Журнал нано- та електронної фізики. - 2017. - Т.9, № 1. - 01026. - DOI: 10.21272/jnep.9(1).01026. |
Abstract |
The experimental temperature dependence of threshold magnetic field initiating the giant magnetically
induced deformation of Ni-Mn-Ga martensitic alloy has been analyzed. The relationships between the
temperature dependences of threshold magnetic field, magnetostriction and elastic modulus have been revealed
and described theoretically. It has been shown that the temperature limits of giant magnetically induced
deformation and the character of temperature dependence of threshold magnetic field are predetermined
by the temperature dependence of soft elastic modulus of alloy in the martensitic phase. It has been
demonstrated that the careful fitting of theoretical temperature dependence of threshold field to the experimental
one results in the characterization of hardly measurable physical values of martensitic phase, such
as temperature dependences of elastic modulus and magnetostriction. |
Appears in Collections: |
Журнал нано- та електронної фізики (Journal of nano- and electronic physics) |
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