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Effect of Rapidly Annealing Process on MgB2 Superconducting Wires

The present study has reported the effect of rapidly annealing and cooling process on the transport and morphological properties of Fe/MgB2 wires. Transport properties like critical transition temperature, transition width and engineering critical current density of the obtained wires at different annealing and durations were determined for superconducting wires. The results show that the annealing temperature is more dominant to accelerate the reaction rate of Mg and B in the wires in comparison with annealing duration. Among the studied wires, a highest Jc (T = 36K) value >150 A/cm2 was achieved for the wires at 900oC and 1000oC for small durations (15 minutes). In the study, it was investigated whether fast annealing and cooling is a possible candidate to fabricate fast the requested superconducting MgB2 long length wires for coils by React&Wind method in continuous system or not.