Superconducting powder, YBa2Cu3O7−x, with grains of size varying from 2 to 20μ and superconductivity up to 90°K was compacted to a uniform density of 6.2 g/cc (96% of theoretical maximum density) by explosive-shock loading in cylindrical configuration. A typical size of rod (3.76 mm diameter and 70 mm length) was fabricated using the present technique of explosive compaction. The compacted specimen shows levitation at the liquid nitrogen temperature.
Volume 94, 2020
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