Improved training in paraffin-wax impregnated Nb3Sn Rutherford cables demonstrated in BOX samples

M Daly, B Auchmann, A Brem, C Hug… - Superconductor …, 2022 - iopscience.iop.org
Resin-impregnated high-field Nb 3 Sn type of accelerator magnets are known to require
extensive training campaigns and even may exhibit performance-limiting defects after …

BOX: an efficient benchmark facility for the study and mitigation of interface-induced training in accelerator type high-field superconducting magnets

M Daly, B Auchmann, C Hug, S Sidorov… - Superconductor …, 2021 - iopscience.iop.org
For 30 years, training and unpredictable degradation in accelerator type high-field Nb 3 Sn
magnets have seriously hampered Nb 3 Sn application. Training and deterioration have to …

Training-free demonstration of a 5.4 T Nb3Sn Canted–Cosine–Theta accelerator dipole impregnated with paraffin wax

D Arbelaez, R Teyber, JLR Fernández… - Superconductor …, 2024 - iopscience.iop.org
Abstract Lawrence Berkeley National Laboratory is pursuing stress-managed Nb 3 Sn
Canted–Cosine–Theta (CCT) magnet technology for high field accelerator magnets …

[HTML][HTML] Tough epoxy resin systems for cryogenic applications

PB Studer, A Schwegler, TA Tervoort - Cryogenics, 2024 - Elsevier
This work presents the development of new epoxy systems that combine high fracture
toughness at cryogenic temperatures (Image 1) with a slow curing reaction (long pot life) …

Loss of pre-stress in impregnated superconducting magnets, experimental results and numerical analysis

R Ortwein, JC Perez, D Pszenny - Cryogenics, 2024 - Elsevier
Abstract The SMC (Short Model Coil) R&D program was started at CERN around 2007 to
develop the Nb 3 Sn technology. The small magnet structure allowed relatively cheap and …

Fracture Toughness, Radiation Hardness, and Processibility of Polymers for Superconducting Magnets

A Gaarud, C Scheuerlein, DM Parragh, S Clement… - Polymers, 2024 - mdpi.com
High fracture toughness at cryogenic temperature and radiation hardness can be conflicting
requirements for the resins for the impregnation of superconducting magnet coils. The …

[HTML][HTML] FEM modeling of multilayer Canted Cosine Theta (CCT) magnets with orthotropic material properties

R Ortwein, J Blocki, P Wachal, G Kirby, J van Nugteren - Cryogenics, 2020 - Elsevier
CCT magnets are becoming more popular, especially as they provide support for each
separate turn of a coils, thus significantly lowering the coil stresses and deformations. A four …

Improved fracture toughness at cryogenic temperature of irradiation hard epoxy system for superconducting coil impregnation

A Gaarud, DM Parragh, S Clement… - Available at SSRN …, 2023 - papers.ssrn.com
The fracture toughness of the CTD101K epoxy resin system for impregnation of
superconducting magnet coils can be improved by adding 10 wt.% of the flexibiliser Araldite …

Influence of self-magnetic field on ac quench current level of superconducting coils

YJ Tang, Y Yokomizu, N Hayakawa, T Matsumura… - Cryogenics, 1995 - Elsevier
The ac quench current level of a superconducting cable when formed into a coil is, in
general, lower than that of a short sample. The current in the coil induces a self-magnetic …

Performance of a 3000/6000 V, 1000 kVA class superconducting transformer developed for a prospective power transmission model system integrated under …

YJ Tang, H Shimizu, T Kato… - Electrical …, 1996 - Wiley Online Library
Abstract A 3000/6000V, 1000 kVA class superconducting transformer (SC‐Tr) was
developed for a Prospective Power Transmission Model System Integrated under …