[HTML][HTML] Recent progress in MgB2 superconducting joint technology

H Liang, D Patel, M Shahbazi, A Morawski… - Journal of Magnesium …, 2023 - Elsevier
Magnesium diboride (MgB 2) magnets have the potential to be the next-generation liquid-
helium-free magnet for magnetic resonance imaging (MRI) application due to their relatively …

Niobium-titanium (Nb-Ti) superconducting joints for persistent-mode operation

D Patel, SH Kim, W Qiu, M Maeda, A Matsumoto… - Scientific reports, 2019 - nature.com
Superconducting joints are essential for persistent-mode operation in a superconducting
magnet system to produce an ultra-stable magnetic field. Herein, we report rationally …

Superconducting joints using multifilament MgB2 wires for MRI application

D Patel, A Matsumoto, H Kumakura, M Maeda, SH Kim… - Scripta Materialia, 2021 - Elsevier
We present superconducting joints using 36 filaments magnesium diboride (MgB 2) wires in
continuation joint orientation and their characterisation results for the first time. One of the …

MgB 2 for MRI applications: dual sintering induced performance variations in in situ and IMD processed MgB 2 conductors

D Patel, A Matsumoto, H Kumakura, M Maeda… - Journal of Materials …, 2020 - pubs.rsc.org
Magnesium diboride (MgB2) is known to have good potential to be used in a commercial
liquid helium-free magnetic resonance imaging (MRI) magnet. The magnet is expected to be …

Superconducting joints of reacted monofilament MgB2 wires sintered by hot uniaxial pressing system

H Liang, A Morawski, D Patel, T Cetner… - Superconductor …, 2023 - iopscience.iop.org
Successful superconducting joints of reacted magnesium diboride (MgB 2) monofilament
wires are reported in this paper. The absence of a reliable method to develop …

Solid cryogen: a cooling system for future MgB2 MRI magnet

D Patel, MSA Hossain, W Qiu, H Jie, Y Yamauchi… - Scientific reports, 2017 - nature.com
An efficient cooling system and the superconducting magnet are essential components of
magnetic resonance imaging (MRI) technology. Herein, we report a solid nitrogen (SN2) …

Superconducting joining concept for internal magnesium diffusion-processed magnesium diboride wires

D Patel, A Matsumoto, H Kumakura… - … applied materials & …, 2021 - ACS Publications
A superconducting joint of unreacted monofilament internal magnesium diffusion-processed
magnesium diboride (MgB2) wires was fabricated by exploiting the phenomenon of …

Relation between constituent material fraction in multifilamentary MgB2 wires and requirements for MRI magnets

M Kodama, H Kotaki, T Suzuki… - … Science and Technology, 2022 - iopscience.iop.org
Magnetic resonance imaging (MRI) occupies the largest segment of the commercial
applications of superconductivity. The NbTi wire is typically applied to MRI magnets and …

[HTML][HTML] Superconducting joints using reacted multifilament MgB2 wires: A technology toward cryogen-free MRI magnets

D Patel, A Matsumoto, H Kumakura, Y Hara… - Journal of Magnesium …, 2024 - Elsevier
The development of superconducting joining technology for reacted magnesium diboride
(MgB 2) conductors remains a critical challenge for the advancement of cryogen-free MgB 2 …

Tailored joint fabrication process derived ultra-low resistance MgB2 superconducting joint

D Patel, A Matsumoto, H Kumakura, G Nishijima… - Scripta Materialia, 2020 - Elsevier
We report an ultra-low resistance superconducting joint using unreacted multifilament MgB 2
wires produced by tailoring the powder compaction pressure within the joint with heat …