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Science Highlights

Left: Coil buckling at -0.4% strain Right: Measured hoop strain showed negligible degradation over 20,000 cycles.

May 15, 2024

High-temperature superconducting test coils have been subjected to extreme combined loads from high, cyclic pressure and electro-magnetic forces to un…

Fully assembled Dual Rig for Pancake Module Testing and Cross section of a double layer pancake module

December 15, 2023

A test protocol has been developed and successfully demonstrated the ability to evaluate the performance of a large percentage of tape in a REBCO-woun…

An atomic-resolution, high-angle annular dark-field image of an aged sample showing uniformly distributed Cr precipitates (dark contrast in main image.

May 24, 2023

MagLab researchers developed a way to make a Copper-Chromium-Zirconium conductor for pulsed magnets that has tiny particles evenly distributed through…

Voltages recorded from a protective quench from the upper-most 9 modules in the outer coil

December 12, 2022

A 19 T high-field magnet made with REBCO high-temperature superconductor, but without electrical insulation, was tested to see if it is a viable desig…

Electron microscope images of Glidcop® conductor

August 15, 2022

The MagLab's ultrahigh-field pulsed magnets require materials with both high mechanical strength and high electrical conductivity. One of these materi…

Left: E-I curves of the CORC cable at various magnetic fields. Right: Critical current versus magnetic field. The dash line is a fit to the critical current: Ic~B-0.52.

August 20, 2021

A new device enables the testing of superconducting cables to high current without the high helium consumption associated with traditional current lea…

Left: Eddy current inspection of a long length precursor. Center: A chevron crack found by x-ray tomography

February 11, 2021

Three non-destructive testing methods are developed for inspection of high strength, high conductivity wires which are used to wind ultra-high field p…

(Left) Reinforcement is co-wound between each pair of REBCO tapes. (Right) “Test Coil 0”, wound and instrumented just before being inserted into a 12T test bed magnet.

January 19, 2021

A recent test coil with more than 1300 meters of conductor successfully demonstrated a new winding technique for insulated REBCO technology and was fa…

The Integrated Coil Form REBCO-based test coil is cable wound onto a specialized tube with helical grooves that match the cross-section of a multi-tape, stacked cable. Stainless steel ribs between turns help reinforce the coil against high magnetic loads. The figure on the right shows a transition from superconducting to resistive state at around 700A, independent of the ramp rate that ranges from 5A/s to 100A/s.

June 23, 2020

Tests of the first Integrated Coil Form test coil wound using REBCO superconducting tape show promise for use in ultra powerful magnets of the future.

Cracks penetrate from the edge of REBCO tape (b) 120 microns after 250,000 fatigue cycles.

April 23, 2020

Tests of high-temperature superconducting REBCO tapes at 4.2 K showed resistance to cyclic loading, demonstrating that it is a promising material for …

Winding of the 65cm long pulsed coil. The leads to and from the coil can be seen extending another 24cm to the right.

April 10, 2019

Pulsed magnets are designed to operate near their structural limits to be able to generate extremely high magnetic fields. The coils have a limited li…

(a) The Bi-2212 insulation system. (b) Insulated conductor on a spool. (c) Cross-section of the 0.8mm diameter Bi-2212 wire featuring a particularly thick layer of insulation.

March 19, 2018

MagLab scientists and engineers have developed a special coating on Bi-2212 superconducting wire for electrical insulation in superconducting magnets …