Review on high-performance bulk MgB2 superconductors

M Muralidhar, M Shadab, AS Srikanth… - Journal of Physics D …, 2023 - iopscience.iop.org
Although the fascinating effect of superconductivity was discovered more than 100 years
ago, only a few low-temperature superconductors, especially Nb 3 Sn and NbTi, have …

Mg gas infiltration for the fabrication of MgB2 pellets using nanosized and microsized B powders

W Zhao, HL Suo, S Wang, L Ma, L Wang… - Journal of the European …, 2022 - Elsevier
MgB 2 superconductor pellets were synthesized through Mg gas infiltration method using
nanosized-and microsized B powders. There was a marked difference in the …

[HTML][HTML] Review of synthesis of high volumetric density, low gravimetric density MgB2 bulk for potential magnetic field applications

Z Zhang, J MacManus-Driscoll, H Suo, Q Wang - Superconductivity, 2022 - Elsevier
This review paper summarizes and analyses the current literature on the synthesis of dense
MgB 2 bulk with high density and by both the modified solid reaction method and the Mg …

[HTML][HTML] Tuning of superconductivity of bulk MgB2 by ball milling and sieving the boron precursor

M Shadab, M Jirsa, M Miryala - Materials Chemistry and Physics, 2023 - Elsevier
This study aims to explore the impact of sieving the crystalline boron precursor applied after
its ball milling on the critical current density (J c) of MgB 2 produced by the in-situ reaction …

Development in processing of MgB2 cryo-magnet superconductors

JG Noudem, M Aburras, P Bernstein, X Chaud… - Journal of Applied …, 2014 - pubs.aip.org
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 …

Bulk MgB2 superconductor for levitation applications fabricated with boron processed by different routes

B Savaskan, UK Ozturk, SB Guner, M Abdioglu… - Journal of Alloys and …, 2023 - Elsevier
Bulk MgB 2 discs were prepared by an in situ route from mixtures of magnesium and boron
powders. The boron powders were produced by two methods. The first one consisted of a …

Size reduction of boron particles by high-power ultrasound for optimization of bulk MgB2

SS Arvapalli, M Miryala, M Jirsa… - … Science and Technology, 2020 - iopscience.iop.org
Critical current density, J c, in superconductors is strongly connected with size of defects in
the material. Frequently, the smaller defects, the higher J c. In this work, we tried to reduce …

Improvement of critical current density of MgB2 bulk superconductor processed by Spark Plasma Sintering

JG Noudem, Y Xing, P Bernstein… - Journal of the …, 2020 - Wiley Online Library
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 …

Optimization of sintering conditions in bulk MgB2 material for improvement of critical current density

M Muralidhar, K Nozaki, H Kobayashi, XL Zeng… - Journal of Alloys and …, 2015 - Elsevier
The present investigation focuses on methods to further improve the J c values of disk-
shaped bulk MgB 2 superconductors by optimizing the sintering conditions. We prepared …

Superconducting properties of sintered bulk MgB2 prepared from hexane-mediated high-energy-ultra-sonicated boron

SS Arvapalli, M Miryala, P Sunsanee, M Jirsa… - Materials Science and …, 2021 - Elsevier
Recently, novel low cost techniques have been employed to improve critical current density
of MgB 2. Ultra-sonication is one such technique. We report on the influence of hexane …