학술논문

Scale-Up of Silver–Copper Composite Wires by Spark Plasma Sintering and Room Temperature Wire-Drawing for Use in 100 T Triple Coil at LNCMI
Document Type
Periodical
Source
IEEE Transactions on Applied Superconductivity IEEE Trans. Appl. Supercond. Applied Superconductivity, IEEE Transactions on. 34(5):1-4 Aug, 2024
Subject
Fields, Waves and Electromagnetics
Engineered Materials, Dielectrics and Plasmas
Coils
Wires
Conductors
Powders
Magnetic fields
Resistance
Spark Plasma sintering
High magnetic fields
nanostructured conductors
pulsed magnets
spark plasma sintering
wire-drawing
Language
ISSN
1051-8223
1558-2515
2378-7074
Abstract
The generation of non-destructive pulsed magnetic fields of 100 T involves high mechanical stress, due to the Lorentz forces, sustainable by few conductors. At LNCMI, in the inner coil (the most mechanically stressed) of the 100 T triple coil system a Cu-Nb commercial conductor is used. This work explains firstly how a new bi-material design of the inner coil allows to reduce the quantity of the Cu-Nb wire used. Secondly, in order to replace this commercial Cu-Nb wire, the way to increase the volume of Ag-Cu composite conductors produced at CIRIMAT and LNCMI by powder metallurgy, Spark Plasma Sintering and wire drawing at room temperature is discussed.