Abstract:Interface crack between superconducting film and substrateIn this work, the central kinked crack problem is investigated for a long rectangular superconducting slab under electromagnetic forces. The distributions of both the current density and the magnetic flux density in the slab are obtained analytically in the Kim critical state model for both the zero-field cooling and the field cooling magnetization processes. And based on the finite element method, the stress intensity factors at the crack tips for decr… Show more
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