Crack problem for a bulk superconductor with nonsuperconducting inclusions under an electromagnetic force | Zendy

Feng Xue | Zendy; Xiaofan Gou | Zendy

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Crack problem for a bulk superconductor with nonsuperconducting inclusions under an electromagnetic force

Author(s) -

Feng Xue,

Xiaofan Gou

Publication year - 2015

Publication title -

aip advances

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.421

H-Index - 58

ISSN - 2158-3226

DOI - 10.1063/1.4918752

Subject(s) - superconductivity , materials science , condensed matter physics , stress intensity factor , type ii superconductor , flux pinning , shear modulus , inclusion (mineral) , enhanced data rates for gsm evolution , modulus , dislocation , magnetization , magnetic field , fracture mechanics , high temperature superconductivity , composite material , physics , thermodynamics , telecommunications , computer science , quantum mechanics

In this paper, the flux-pinning-induced elastic stress analysis considering the crack-inclusion interaction is carried out for a bulk superconductor in the magnetization process. A approximate model for the crack problem of a bulk superconductor with nonsuperconducting inclusions (particles) dispersed in a superconducting matrix is described. The crack is simulated as a continuous distribution of edge dislocations in the solution procedure. The obtained results show that, the shear modulus, inclusion-crack size, inclusion-crack distance, and also the magnetic field have obvious effects on the stress intensity factors (SIFs) at the crack tips of the superconductor

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