Computer Modeling of Magnetic Flux Pinning by Grain Boundaries in High-Field Superconductors

摘要

We report here some results for the critical current density of a high-field superconductor such as Nb sub 3 Sn calculated with a simple two-dimensional model using computer simulation methods similar to those of Brandt and utilizing an expression for the magnetic flux line-grain boundary interaction energy derived by Welch based on the electron-scattering mechanism. (ERA citation 12:006819)