Influence of Al Composition Thickness on Critical Current Density in Transformation-Processed $\hbox{Nb}_{3}\hbox{Al}$ Superconductors


The influence of the Al layer thickness on the critical current density Jc of transformation-processed Nb3Al superconductors was investigated. The Al layer thickness in the jerry-roll filaments of precursor wires was varied from 120 to 250 nm; the Nb layer thickness is proportional to the Al thickness, keeping the Nb-Al composition ratio to 3. The rapid… (More)

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