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Multicore MgB2 wires made by hydrostatic extrusion

✍ Scribed by P. Kováč; W. Pachla; I. Hušek; M. Kulczyk; T. Melišek; T. Holúbek; R. Diduszko; M. Reissner

Publisher
Elsevier Science
Year
2008
Tongue
English
Weight
644 KB
Volume
468
Category
Article
ISSN
0921-4534

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✦ Synopsis

Seven-filament MgB 2 /Fe and MgB 2 /Nb/Cu wires have been made by in situ process using hydrostatic extrusion, drawing and two-axial drawing deformation into the wire size of 1.1 Â 1.1 mm 2 . The conductors were sintered at 650 °C/0.5 h and studied in terms of field-dependent transport critical current density and thermal stability. XRD, SEM and EDX analysis were applied for structural characterization. Transport current property and compositional/structural differences are compared and discussed in connection to used powders and metallic materials.

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