Multi-scale nonlinear stress analysis of Nb3Sn superconducting accelerator magnets

EQ Sun - Superconductor Science and Technology, 2022 - iopscience.iop.org
A multi-scale nonlinear procedure to analyze the stress in Nb 3 Sn superconducting
accelerator magnets is presented to address one of the most challenging obstacles currently …

Numerical simulation of mechanical behaviors and intergranular fracture of polycrystalline Nb3Sn and superconducting filaments

H Ding, G De Marzi, Y Gao - Superconductor Science and …, 2023 - iopscience.iop.org
Given the importance of large-scale engineering applications of the superconducting
compound Nb 3 Sn, both its use and performance under certain operating conditions have …

Effects of the initial axial strain state on the response to transverse stress of high-performance RRP Nb3Sn wires

JF Troitino, T Bagni, C Barth, B Bordini… - Superconductor …, 2021 - iopscience.iop.org
Abstract High-performance Nb 3 Sn superconducting wires have become one of the key
technologies for the development of next generation accelerator magnets. While their large …

On the mechanisms governing the critical current reduction in Nb3Sn Rutherford cables under transverse stress

G De Marzi, B Bordini, D Baffari - Scientific Reports, 2021 - nature.com
Within the framework of the HiLumi-LHC project, CERN is currently manufacturing 11 T
dipole and quadrupole accelerator magnets using state-of-the-art Nb3Sn Rutherford cables …

Effect of transverse compressive stress applied at room temperature on Nb3Sn Rutherford cables

G Lenoir, K Puthran, C Barth, J Fleiter… - Superconductor …, 2024 - iopscience.iop.org
The accelerator magnets for the high luminosity upgrade of the large Hadron collider use Nb
3 Sn conductor to achieve the required in-field performance. To sustain the Lorentz forces …

Effect of the Sub-Elements Layout on the Electro-Mechanical Properties of High Jc Nb3Sn Wires Under Transverse Load: Numerical Simulations

D Baffari, B Bordini - IEEE Transactions on Applied …, 2022 - ieeexplore.ieee.org
The brittle intermetallic Nb 3 Sn superconductor is currently being used to develop high field
magnets in the framework of the Hi-Luminosity upgrade of the Large Hadron Collider at …

3-D mechanical finite element analysis of impregnated Rutherford cable stacks

F Nunio, P Manil, G Lenoir - IEEE Transactions on Applied …, 2019 - ieeexplore.ieee.org
Low-temperature superconductors are widely used in high field accelerator magnets, mostly
within Rutherford-type cables. Cables are multiscale composite structures including strands …

Two-step homogenization for the effective thermal conductivities of twisted multi-filamentary superconducting strand

Y Wang, H Yong, Y Zhou - Applied Mathematics and Mechanics, 2022 - Springer
For the accurate prediction of the effective thermal conductivities of the twisted multi-
filamentary superconducting strand, a two-step homogenization method is adopted. Based …

Numerical model for transverse current transport in multi-filament twisting strands under uniform axial strain

Y Hong, Y Li - Cryogenics, 2023 - Elsevier
This paper establishes a three-dimensional finite element model for multi-filament twisting
strands. The model studies the changes in its transverse transport properties by applying …

[PDF][PDF] Mechanical behavior of a Nb3Sn accelerator magnet during a quench

J Ferradas Troitino - 2021 - cds.cern.ch
The next generation of superconducting accelerator magnets will turn into a reality the
ambitious objective of routinely producing magnetic field levels beyond 10 T for the …