English
Related papers

Related papers: Contact resistivity due to oxide layers between tw…

200 papers

No-insulation (NI) REBCO magnets have many advantages. They are self-protecting, therefore do not need quench detection and protection which can be very challenging in a high Tc superconducting magnet. Moreover, by removing insulation and…

Instrumentation and Detectors · Physics 2017-04-05 Jun Lu , Robert Goddard , Ke Han , Seungyong Hahn

Resistively insulated (RI) REBCO magnets feature short ramp times and low ramp losses while maintaining the advantages of no-insulation coils with high engineering current density and tolerance for defects in the REBCO conductor. Control of…

Residual resistance ratio (RRR) of Cu stabilizer in REBCO coated conductor is an important design parameter for REBCO magnets. In this work, we measured RRR of electroplated Cu stabilizer in commercial REBCO tapes. Over 130 samples were…

Superconductivity · Physics 2024-10-15 Jun Lu , Yan Xin , Vince Toplosky , Jeremy Levitan , Ke Han , Jane Wadhams , Munir Humayun , Dmytro Abraimov , Hongyu Bai

Advances on no-insulation REBCO coil technology has made understanding and controlling contact resistivity increasingly im-portant. Praffin (wax) impregnation is a process that has been used for improving mechanical stability of insulated…

Superconductivity · Physics 2023-02-15 Jeremy W. Levitan , Jun Lu , Brent Jarvis , Hongyu Bai

Rare earth barium copper oxide (REBCO) coated conductor has emerged as one of the high Tc superconductors suitable for future ultrahigh field superconducting magnet applications. In the design and fabrication of such ultrahigh field REBCO…

Superconductivity · Physics 2021-06-04 Jun Lu , Yan Xin , Brent Jarvis , Hongyu Bai

Rare-earth-barium-copper-oxide (REBCO) tapes are now available from several industrial manufacturers and are very promising conductors in high field applications. Due to diverging materials and deposition processes, these manufacturers'…

Superconductivity · Physics 2015-02-25 Christian Barth , Giorgio Mondonico , Carmine Senatore

Rare Earth Barium Copper Oxide (REBCO) coated conductors (CCs) have emerged for future high field magnets in fields and temperatures inaccessible for Nb based superconductors. However, their exceptionally high current densities pose…

The REBCO coated conductor has the potential to be widely used in ultrahigh field magnets. It is well known, however, that it is not mechanically strong against delamination in the direction normal to its surface due to its intrinsic…

Superconductivity · Physics 2025-12-19 Jun Lu , Iain Dixon , Kwangmin Kim , Yan Xin , Hongyu Bai

Scaling relations describing the electromagnetic behaviour of coated conductors (CCs) greatly simplify the design of REBCO-based devices. The performance of REBCO CCs is strongly influenced by fabrication route, conductor architecture and…

Superconductivity · Physics 2015-12-08 Carmine Senatore , Christian Barth , Marco Bonura , Miloslav Kulich , Giorgio Mondonico

REBCO tape has successfully used in ultra-high field magnets. Mechanically, it is very strong in its length direction but is prone to delamination in the thickness direction. In an epoxy impregnated REBCO magnet, thermal strain alone could…

Superconductivity · Physics 2024-10-15 Jun Lu , Jeremy Levitan , Aliya Hutley , Hongyu Bai

To explore the limits of layer wound (RE)Ba2Cu3O7-x (REBCO, RE = Rare Earth) coils in a high magnetic field environment > 30 T, a series of small insert coils have been built and characterized in background fields. One of the coils…

The residual low angle grain boundary (GB) network is still the most important current-limiting mechanism operating in bi-axially textured rare earth barium copper oxide (REBCO) coated conductors. While Ca-doping is well established to…

Superconductivity · Physics 2015-04-30 Pei Li , Dmytro Abraimov , Anatolii Polyanskii , Fumitake Kametani , David Larbalestier

Contact Resistance (RC) is a major limiting factor in the performance of graphene devices. RC is sensitive to the quality of the interface and the composition of the contact, which are affected by the graphene transfer process and contact…

We report on the test of a small scale, non-planar coil using non-insulated ReBCO tape wound on a 3D-printed aluminum support structure. A 3D-scan of the winding frame which was printed out of AlSi10Mg using selective laser melting, showed…

Probing the dynamics of superconducting transitions induced by strong electromagnetic fields is vital to designing high power devices leveraging these materials. The development of high temperature superconductors (HTS) is particularly…

The use of REBCO coated conductors is envisaged for many applications, extending from power cables to high-field magnets. Whatever the case, thermal properties of REBCO tapes play a key role for the stability of superconducting devices. In…

Superconductivity · Physics 2015-01-06 Marco Bonura , Carmine Senatore

Stacks of REBCO tapes can trap large amounts of magnetic fields and can stay magnetized for long periods of times. This makes them an interesting option for major engineering applications such as motors, generators and magnetic bearings.…

Applied Physics · Physics 2020-05-19 Anang Dadhich , Enric Pardo , Milan Kapolka

Calorimetric measurements of AC loss and hence interstrand contact resistance (ICR), were measured on three samples of Rutherford cable wound with Cu-stabilized jelly-roll type unplated Nb3Al strand. One of the cable types was furnished…

Superconductivity · Physics 2018-07-04 M. D. Sumption , R. M. Scanlan , A. Nijhuis , E. W. Collings

REBCO coated conductor is a high temperature superconductor that has a wide range of applications, one of which is the current leads of magnet systems. In the design of current leads, it is crucial to minimize their thermal conduction while…

Superconductivity · Physics 2024-10-15 Jun Lu , Yan Xin , Yifei Zhang

Unlike low temperature superconducting cables, there is so far no perfect solution for REBCO coated conductors to form a fully transposed high current cable. Every REBCO cable concept must import a stack of tapes to achieve an operating…

Applied Physics · Physics 2023-02-15 Rui Kang , Juan Wang , Ze Feng , Qingjin Xu
‹ Prev 1 2 3 10 Next ›