Method of preloading superconducting coils by using materials with different thermal expansion coefficients
Patent
·
OSTI ID:6022760
The invention provides a high magnetic field coil. The invention provides a preloaded compressive force to the coil maintain the integrity of the coil. The compressive force is obtained by reinforcing the coil with two materials of different thermal expansion rates and then heating the coil to 700 C to obtain the desired compression. The embodiment of the invention uses Nb[sub 3]Sn as the conducting wire, since Nb[sub 3]Sn must be heated to 700 C to cause a reaction which makes Nb[sub 3]Sn superconducting.
- DOE Contract Number:
- W-7405-ENG-48
- Assignee:
- Dept. of Energy, Washington, DC (United States)
- Patent Number(s):
- US 5187859; A
- Application Number:
- PPN: US 7-571361
- OSTI ID:
- 6022760
- Country of Publication:
- United States
- Language:
- English
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