Construction of a 40 T hybrid magnet system is in progress at the High Magnetic Field
Laboratory, Chinese Academy of Sciences. The present design concept includes an
11 T superconducting magnet with a room temperature bore of 580 mm, a 29 T
resistive magnet with a clear bore of 32 mm, and a 26 T resistive magnet with
a clear bore of 50 mm. The total maximum field on axis in the 32 mm bore is
40 T, and in the 50 mm bore it is 37 T. The 11 T superconducting magnet will
use a cable-in-conduit conductor (CICC). The high field magnet is made from
Nb3Sn
superconductor, and the low field magnet is made from NbTi superconductor. This paper
describes the design concept of the cable-in-conduit conductor and the mechanical analysis
of the jacket.
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