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Modeling of the non-uniform Jc distribution along the c-axis of seeded melt growth (RE)BCO bulks

Abstract : (RE)BCO bulks prepared by seeded melt growth process have a non-uniform local critical current density distribution along the c-axis. To clarify its impact, we measured the levitation force of such bulk above a permanent magnet in two configurations: bottom seed and top seed. This is only by considering a non-uniform Jc distribution, that we were able to reproduce both measurements with an H-formulation finite element model
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https://hal.archives-ouvertes.fr/hal-03295741
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Submitted on : Thursday, July 22, 2021 - 12:08:34 PM
Last modification on : Saturday, December 4, 2021 - 4:09:20 AM
Long-term archiving on: : Saturday, October 23, 2021 - 6:25:55 PM

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  • HAL Id : hal-03295741, version 1

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Loïc Quéval, Guangtong Ma, Wenjiao Yang, Kun Liu. Modeling of the non-uniform Jc distribution along the c-axis of seeded melt growth (RE)BCO bulks. 7th International Workshop on Numerical Modelling of High Temperature Superconductors, Université de Lorraine, Jun 2021, Nancy (Virtual), France. ⟨hal-03295741⟩

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