Kováč, P., Pachla, W., Hušek, I., Kulczyk, M., Melišek, T., Holúbek, T., Diduszko, R., & Reissner, M. (2008). Multicore MgB₂ wires made by hydrostatic extrusion. Physica C: Superconductivity and Its Applications, 468(24), 2356–2360. https://doi.org/10.1016/j.physc.2008.08.014
E138-05 - Forschungsbereich Solid State Spectroscopy
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Journal:
Physica C: Superconductivity and its Applications
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ISSN:
0921-4534
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Date (published):
15-Dec-2008
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Number of Pages:
5
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Publisher:
ELSEVIER
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Peer reviewed:
Yes
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Keywords:
Electrical and Electronic Engineering; Condensed Matter Physics; Electronic, Optical and Magnetic Materials; Thermal stability; Energy Engineering and Power Technology; Critical current; MgB2; Hydrostatic extrusion; Rolling
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Abstract:
Seven-filament MgB2/Fe and MgB2/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 × 1.1 mm2. 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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Research Areas:
Special and Engineering Materials: 50% Materials Characterization: 50%