Numerical simulations of thermomagnetic instability in high- superconductors: Dependence on sweep rate and ambient temperature

YH Zhou, X Yang - Physical Review B—Condensed Matter and Materials …, 2006‏ - APS
We report the results of numerical simulations of flux jumps on the basis of dynamic process
of thermomagnetic interaction to the nonisothermal and nonadiabatic high-T c …

Numerical study on flux-jump occurrence in a cup-shaped MgB2 bulk for magnetic shielding applications

M Fracasso, F Gömöry, M Solovyov… - Superconductor …, 2023‏ - iopscience.iop.org
MgB 2 is one of the most promising materials for superconducting bulk applications.
However, thermomagnetic instabilities can arise in the material because of its low heat …

[HTML][HTML] Mechanical response induced by flux jump in a cylindrical superconductor

W Zhang, J **a, H Yong, Y Zhou - AIP Advances, 2020‏ - pubs.aip.org
The flux jump in bulk superconductors is accompanied by a rapid change in temperature
and magnetic field, which can induce change in electromagnetic bodyforce and thermal …

Passive magnetic shielding by machinable MgB2 bulks: measurements and numerical simulations

L Gozzelino, R Gerbaldo, G Ghigo… - Superconductor …, 2019‏ - iopscience.iop.org
We report on a combined experimental and modelling approach towards the design and
fabrication of efficient bulk shields for low-frequency magnetic fields. To this aim, MgB 2 is a …

Improvement in levitation force performance of bulk MgB2 superconductors through coronene powder adding

O Erdem, M Abdioglu, SB Guner, S Celik… - Journal of Alloys and …, 2017‏ - Elsevier
The effect of coronene (C 24 H 12) addition on the levitation force properties of MgB 2
superconductor has been investigated for the first time in this study. The polycrystalline disk …

Flux dynamics and avalanches in the 122 pnictide superconductor Ba0. 65Na0. 35Fe2As2

AK Pramanik, S Aswartham, AUB Wolter… - Journal of Physics …, 2013‏ - iopscience.iop.org
In this work we present the results of the bulk magnetization measurements in a
superconducting state of single crystals of Ba 0.65 Na 0.35 Fe 2 As 2. The isothermal …

High Magnetic Field Generated by Bulk MgB2 Prepared by Spark Plasma Sintering

K Berger, MR Koblischka, B Douine… - IEEE Transactions …, 2016‏ - ieeexplore.ieee.org
From the applications' point of view, the advantage of low density given by MgB 2 material
must be taken into consideration, and the generation of strong magnetic flux densities using …

Numerical investigations on the characteristics of thermomagnetic instability in MgB2 bulks

J **a, M Li, Y Zhou - Superconductor Science and Technology, 2017‏ - iopscience.iop.org
Numerical investigations on the characteristics of thermomagnetic instability in MgB2 bulks -
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The effect of nano-Pt/nano-SiC co-additions on superconducting properties of bulk MgB2

E Taylan Koparan, SB Güner, C Aksoy… - Journal of Materials …, 2023‏ - Springer
This research presents a detailed analysis and discussion of the crystallographic, flux
pinning mechanism, the microstructure and superconducting properties of nano-Pt/nano-SiC …

Physical property characterization of bulk MgB2 superconductor

VPS Awana, A Vajpayee, M Mudgel, V Ganesan… - The European Physical …, 2008‏ - Springer
We report synthesis, structure/micro-structure, resistivity under magnetic field [ρ (T) H],
Raman spectra, thermoelectric power S (T), thermal conductivity κ (T), and magnetization of …