Crack problem for a long rectangular slab of superconductor under an electromagnetic force
You-He Zhou, Hua-Dong Yong
DOI 10.1103/PhysRevB.76.094523 · Physical Review B
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Abstract
The flux-pinning-induced singular stress field near the crack tips of a central crack is investigated. A model is presented in this paper to estimate the effect of the electromagnetic force on fracture behavior. The model provides an analytical tool for the investigation of the mechanical failure of superconductors. The stress intensity factors are computed for two activation processes. Numerical results obtained show that, generally, the stress intensity factor increases as the applied field becomes large during field descent. It is intended that the stress intensity factor analysis presented here be useful to researchers interested in cracking and mechanical failure of superconductors.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| YBCO Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | Pressure not reported | unknown |
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