Multicore MgB2 wires made by hydrostatic extrusion

作者：Kovac P^*; Pachla W; Husek I; Kulczyk M; Melisek T; Holubek T; Diduszko R; Reissner M

来源：Physica C-Superconductivity and Its Applications, 2008, 468(24): 2356-2360.

DOI：10.1016/j.physc.2008.08.014

• MgB2
• Hydrostatic extrusion
• Rolling
• Critical current
• Thermal stability

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 x 1.1 mm(2). The conductors were sintered at 650 degrees 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.

• 出版日期2008-12-15
• 单位中国科学院电工研究所