Superconducting accelerator magnets based on high-temperature superconducting Bi-2212 round wires

T Shen, L Garcia Fajardo - Instruments, 2020 - mdpi.com
Superconducting magnets are an invaluable tool for scientific discovery, energy research,
and medical diagnosis. To date, virtually all superconducting magnets have been made from …

High field magnets with HTS conductors

HW Weijers, UP Trociewitz… - IEEE transactions on …, 2010 - ieeexplore.ieee.org
Development of high-field magnets using high temperature superconductors (HTS) is a core
activity at the NHMFL. Magnet technology based on both YBCO-coated tape conductors and …

Doubled critical current density in Bi-2212 round wires by reduction of the residual bubble density

J Jiang, WL Starch, M Hannion… - Superconductor …, 2011 - iopscience.iop.org
We have recently shown that the gas present in the only∼ 70% dense filaments of as-drawn
Bi-2212 wire agglomerates into large bubbles that fill the entire filament diameter during the …

Bubble formation within filaments of melt-processed Bi2212 wires and its strongly negative effect on the critical current density

F Kametani, T Shen, J Jiang… - Superconductor …, 2011 - iopscience.iop.org
Abstract Most studies of Bi 2 Sr 2 CaCu 2 O x (Bi2212) show that the critical current density J
c is limited by the connectivity of the filaments, but what determines the connectivity is still …

Design, fabrication, and characterization of a high-field high-temperature superconducting Bi-2212 accelerator dipole magnet

T Shen, L Garcia Fajardo, C Myers, A Hafalia Jr… - … Review Accelerators and …, 2022 - APS
The use of high-field superconducting magnets has furthered the development of medical
diagnosis, fusion research, accelerators, and particle physics. High-temperature …

Formation of Bi2Sr2CaCu2Ox/Ag multifilamentary metallic precursor powder-in-tube wires

Y Zhang, CC Koch, J Schwartz - Superconductor Science and …, 2016 - iopscience.iop.org
Previously, a metallic precursor (MP) approach to synthesizing Bi 2 Sr 2 CaCu 2 O x
(Bi2212), with a homogeneous mixture of Bi, Sr, Ca, Cu and Ag was produced by …

Synthesis of Bi2Sr2CaCu2Ox superconductors via direct oxidation of metallic precursors

Y Zhang, CC Koch, J Schwartz - Superconductor Science and …, 2014 - iopscience.iop.org
Abstract Bi 2 Sr 2 CaCu 2 O x (Bi2212)/Ag multifilamentary wires are manufactured via the
powder-in-tube process using oxide powders. After deformation, the wires undergo a partial …

Damage behavior in Bi-2212 round wire with 3D elastoplastic peridynamic

Y Xiao, J Wu, H Shen, X Hu, H Yong - Acta Mechanica Sinica, 2023 - Springer
Abstract Bi2Sr2Ca1Cu2O8+ x (Bi-2212) wire is the potential material for the design of the
high field superconducting magnet. However, compared with excellent current-carrying …

Effects of wire diameter and filament size on the processing window of Bi-2212 round wire

J Jiang, SI Hossain, TA Oloye, Y Oz… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
High engineering critical current density (JE of 1300 A/mm 2 at 4.2 K and 15 T) in Bi-2212
round wire has been achieved through a partial melt, overpressure heat treatment process …

Tripled critical current in racetrack coils made of Bi-2212 Rutherford cables with overpressure processing and leakage control

K Zhang, H Higley, L Ye, S Gourlay… - Superconductor …, 2018 - iopscience.iop.org
We fabricated three racetrack coils (RC1, RC2, and RC3) from Bi-2212 Rutherford cables
(17-strand, thickness× width= 1.44 mm× 7.8 mm, strand diameter= 0.8 mm) and applied …