Abstract
The use of an alloy tube to impose pressure on a superconducting cylinder during magnetizing reduces pinning-induced tensile stress in high temperature superconductors as has been well established. In this paper, the contact problem between superconducting cylinder and metal tube around it is analyzed. Exact solutions are obtained for the problem of the isotropic magnetoelasticity with the superconductor behaving magnetically and for the problem of the thermal mismatch between the metal tube and the superconducting cylinder. The expressions of the stresses and displacement under thermal and flux pinning effect are given. The results show that the stresses induced by thermal mismatch can significantly reduce the tensile stress resulting from the magnetizing process of superconducting cylinder; and there is a linear relationship between the radial displacement of the tube metal and the magnetostriction of free superconducting cylinder.
Published Version
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call