Effect of ferromagnetic particles on the elastic and magnetostriction parameters of bulk superconductors

•Based on the magnetic dipole theory and the Eshelby's equivalent inclusion theory, a theoretical model of ferromagnetic particle inclusion-superconducting matrix is established.•The intrinsic strain is introduced and uniform stress boundary conditions are used to calculate the mechanical prope...

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Bibliographic Details
Published in:Physica. C, Superconductivity Superconductivity, 2023-07, Vol.610, p.1354269, Article 1354269
Main Authors: Zhao, Yufeng, Shi, Jinheng
Format: Article
Language:English
Subjects:
Effective mechanical properties
Ferromagnetic particles
Magnetostriction
Superconductors
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Summary:•Based on the magnetic dipole theory and the Eshelby's equivalent inclusion theory, a theoretical model of ferromagnetic particle inclusion-superconducting matrix is established.•The intrinsic strain is introduced and uniform stress boundary conditions are used to calculate the mechanical properties of the composite material.•The effects of changes in parameters such as the elastic modulus on the effective mechanical properties of bulk superconductors were compared in detail. Based on the magnetic dipole theory and the Eshelby's equivalent inclusion theory, a theoretical model of ferromagnetic particle inclusion-superconducting matrix is established in this paper, intrinsic strain is introduced and uniform stress boundary conditions are used to calculate the mechanical properties of the composite material. The effects of changes in parameters such as the elastic modulus, volume fraction ratio, and magnetic field of ferromagnetic particle inclusions on the effective mechanical properties of bulk superconductors such as the effective elastic modulus, effective Poisson's ratio, and effective magnetostriction were compared in detail, providing a theoretical reference for the preparation of superconducting materials containing ferromagnetic particle inclusions.
ISSN:0921-4534
1873-2143
DOI:10.1016/j.physc.2023.1354269