Construction and Test of the 19.6-T Solid-Nitrogen-Cooled REBCO Insert Magnet for the MIT 1.3-GHz NMR System [0.03%]
为MIT 1.3 GHz NMR系统建造并测试的19.6T固体氮冷REBCO插入磁体
Fangliang Dong,Dongkeun Park,Patricia Sadde et al.
Fangliang Dong et al.
This work presents the construction, testing, and analyses work of the 835-MHz high-temperature superconducting REBCO insert magnet (H835), a critical component of the ongoing MIT 1.3-GHz HTS/LTS NMR Magnet project (1.3G). H835 consists of ...
Unified Scaling Law for flux pinning in practical superconductors: III. Minimum datasets, core parameters, and application of the Extrapolative Scaling Expression [0.03%]
实用线缆超导体的磁通钉扎统一标度律：III. 最小数据集、核心参数及外推型标度律表达式应用
Jack W Ekin,Najib Cheggour,Loren Goodrich et al.
Jack W Ekin et al.
In Part 2 of these articles, an extensive analysis of pinning-force curves and raw scaling data was used to derive the Extrapolative Scaling Expression (ESE). This is a parameterization of the Unified Scaling Law (USL) that has the extrapol...
A surface-shunting method for the prevention of a fault-mode-induced quench in high-field no-insulation REBCO magnets [0.03%]
一种表面分流抑制高场无绝缘稀土钡铜氧化物圆线磁体故障模态失超的方法
Fangliang Dong,Dongkeun Park,Junseong Kim et al.
Fangliang Dong et al.
In this paper, we apply a surface-shunting method to prevent quenches in no-insulation (NI) REBCO magnets triggered by external failures of magnet current leads or power suppliers (i.e., fault mode). In a high-field magnet system, an NI coi...
Design and manufacture of an ultra-compact, 1.5 T class, controlled-contact resistance, REBCO, brain imaging MRI magnet [0.03%]
一种超紧凑型、1.5T级可控接触电阻REBCO脑成像磁共振磁体的设计与制造
B Parkinson,K Bouloukakis,H W Weijers et al.
B Parkinson et al.
Brain imaging MRI comprises a significant proportion of MRI scans, but the requirement for including the shoulders in the magnet bore means there is not a significant size reduction in the magnet compared to whole-body magnets. Here we pres...
Construction and test result of an all-REBCO conduction-cooled 23.5 T magnet prototype towards a benchtop 1 GHz NMR spectroscopy [0.03%]
全REBCO二极磁体低温传输测试及23.5T样机制造与实验研究
Wooseung Lee,Dongkeun Park,Juan Bascuñán et al.
Wooseung Lee et al.
A compact benchtop high-field REBCO NMR is one of the most promising HTS applications. An all-REBCO, conduction-cooled magnet is a very attractive design option for demonstrating the unique potential of REBCO for forefront magnets. In this ...
Process to densify Bi2Sr2CaCu2Ox round wire with overpressure before coil winding and final overpressure heat treatment [0.03%]
一种绕线前带材加压及线圈绕制后加压热处理的棒形高温超导带材致密化方法
M R Matras,J Jiang,U P Trociewitz et al.
M R Matras et al.
Overpressure (OP) processing of wind-and-react Bi2Sr2CaCu2Ox (2212) round wire compresses the wire to almost full density, decreasing its diameter by about 4 % without change in wire length and substantially raising its J c . However, such ...
High performance, advanced-internal-magnesium-infiltration (AIMI) MgB2 wires processed using a vapor-solid reaction route [0.03%]
使用气固反应路线处理的高性能，先进内部镁渗透（AIMI）MgB2线材
Fang Wan,Michael D Sumption,Matthew A Rindfleisch et al.
Fang Wan et al.
MgB2 superconducting wires made using a Mg infiltration method have reached a higher performance than either in-situ or ex-situ mixed powder based routes. Indeed, very high layer J c coupled with whole-strand J e (critical current per total...
Enhanced higher temperature irreversibility field and critical current density in MgB2 wires with Dy2O3 additions [0.03%]
Dy2O3添加的MgB2线材中临界电流密度及高温不可逆磁场增强
Y Yang,M D Sumption,M Rindfleisch et al.
Y Yang et al.
Bulk samples of magnesium diboride (MgB2) doped with 0.5 wt% of the rare earth oxides (REOs) Nd2O3 and Dy2O3 (named B-ND and B-DY) prepared by standard powder processing, and wires of MgB2 doped with 0.5 wt% Dy2O3 (named W-DY) prepared by a...
Quench, Normal Zone Propagation Velocity, and the Development of an Active Protection Scheme for a Conduction Cooled, R&W, MgB2 MRI Coil Segment [0.03%]
低温导体棒热传导、正常区传播速度以及主动保护策略的制定用于MRI超导线圈中低温导体棒的研究与发展
D Zhang,M D Sumption,M Majoros et al.
D Zhang et al.
The development of coils that can survive a quench is crucial for demonstrating the viability of MgB2-based main magnet coils used in MRI systems. Here we have studied the performance and quench properties of a large (outer diameter: 901 mm...
Vortex shaking study of REBCO tape with consideration of anisotropic characteristics [0.03%]
考虑各向异性特征的REBCO带材涡振研究
Fgei Liang,Timing Qu,Zhenyu Zhang et al.
Fgei Liang et al.
The second generation high temperature superconductor, specifically REBCO, has become a new research focus in the development of a new generation of high-field (>25 T) magnets. One of the main challenges in the application of the magnets is...