A trapped field of> 3 T in bulk MgB2 fabricated by uniaxial hot pressing
A trapped field of over 3 T has been measured at 17.5 K in a magnetized stack of two disc-
shaped bulk MgB 2 superconductors of diameter 25 mm and thickness 5.4 mm. The bulk …
shaped bulk MgB 2 superconductors of diameter 25 mm and thickness 5.4 mm. The bulk …
Development in processing of MgB2 cryo-magnet superconductors
Spark Plasma Sintering is a promising rapid consolidation technique that allows a better
understanding and manipulating of sintering kinetics and therefore makes it possible to …
understanding and manipulating of sintering kinetics and therefore makes it possible to …
Strongly connected ex situ MgB2 polycrystalline bulks fabricated by solid-state self-sintering
H Tanaka, A Yamamoto, J Shimoyama… - Superconductor …, 2012 - iopscience.iop.org
The transport current carrying capacity of ex situ processed MgB 2 is expected to be greatly
enhanced if a strong intergrain connectivity can be realized. Although percolation theory …
enhanced if a strong intergrain connectivity can be realized. Although percolation theory …
Improvement of critical current density of MgB2 bulk superconductor processed by Spark Plasma Sintering
Abstract Spark Plasma Sintering (SPS) is a promising rapid consolidation technique that
allows a better understanding and optimization of the sintering kinetics and therefore makes …
allows a better understanding and optimization of the sintering kinetics and therefore makes …
High Trapped Fields in C-doped MgB2 Bulk Superconductors Fabricated by Infiltration and Growth Process
The grain boundaries in superconducting MgB2 are known to form effective magnetic flux
pinning sites and, consequently, bulk MgB2 containing a fine-grain microstructure fabricated …
pinning sites and, consequently, bulk MgB2 containing a fine-grain microstructure fabricated …
Towards the realization of higher connectivity in MgB2 conductors: in-situ or sintered ex-situ?
A Yamamoto, H Tanaka, J Shimoyama… - Japanese Journal of …, 2011 - iopscience.iop.org
The two most common types of MgB 2 conductor fabrication technique–in-situ and ex-situ–
show increasing conflicts concerning the connectivity, an effective current-carrying cross …
show increasing conflicts concerning the connectivity, an effective current-carrying cross …
Drawing induced texture and the evolution of superconductive properties with heat treatment time in powder-in-tube in situ processed MgB2 strands
Monocore powder-in-tube MgB 2 precursor strands were cold-drawn and heat-treated at
600 and 700 C for times of up to 71 h, and structure–property relationships examined …
600 and 700 C for times of up to 71 h, and structure–property relationships examined …
Fabrication and properties of dense ex situ magnesium diboride bulk material synthesized using spark plasma sintering
High density ex situ magnesium diboride bulks were synthesized from commercial MgB 2
powder using spark plasma sintering under a range of applied uniaxial pressures between …
powder using spark plasma sintering under a range of applied uniaxial pressures between …
Self-sintering-assisted high intergranular connectivity in ball-milled ex situ MgB2 bulks
S Mizutani, A Yamamoto, J Shimoyama… - Superconductor …, 2014 - iopscience.iop.org
To understand the mechanisms leading to higher intergranular connectivity in polycrystalline
ex situ MgB 2 prepared using a pressure-less self-sintering technique, the influence of the …
ex situ MgB 2 prepared using a pressure-less self-sintering technique, the influence of the …
Superconducting properties of bulk MgB2 processed by ultra-high pressure spark plasma sintering
High density MgB 2 bulk superconductors were prepared using Ultra-High Pressure field
assisted Spark Plasma Sintering/UHP-SPS. The fabrication of samples in different pressure …
assisted Spark Plasma Sintering/UHP-SPS. The fabrication of samples in different pressure …