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Title: Studies of $${\rm Nb}_{3}{\rm Sn}$$ Strands Based on the Restacked-Rod Process for High Field Accelerator Magnets

A major thrust in Fermilab's accelerator magnet R&D program is the development of Nb3Sn wires which meet target requirements for high field magnets, such as high critical current density, low effective filament size, and the capability to withstand the cabling process. The performance of a number of strands with 150/169 restack design produced by Oxford Superconducting Technology was studied for round and deformed wires. To optimize the maximum plastic strain, finite element modeling was also used as an aid in the design. Results of mechanical, transport and metallographic analyses are presented for round and deformed wires.
Authors:
 [1] ;  [1] ;  [1] ;  [1] ;  [1] ;  [1] ;  [1]
  1. Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
Publication Date:
OSTI Identifier:
1029345
Report Number(s):
FERMILAB-PUB-11-454-TD
Journal ID: ISSN 1051-8223; TRN: US1105745
Grant/Contract Number:
AC02-07CH11359
Type:
Accepted Manuscript
Journal Name:
IEEE Transactions on Applied Superconductivity
Additional Journal Information:
Journal Volume: 22; Journal Issue: 3; Conference: Presented at 22nd International Conference on Magnet Technology (MT-22), Marseille, France, 12-16 Sep 2011; Journal ID: ISSN 1051-8223
Publisher:
Institute of Electrical and Electronics Engineers (IEEE)
Research Org:
Fermi National Accelerator Laboratory (FNAL), Batavia, IL
Sponsoring Org:
USDOE Office of Science (SC)
Contributing Orgs:
The Pierre Auger Collaboration
Country of Publication:
United States
Language:
English
Subject:
43 PARTICLE ACCELERATORS; 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; ACCELERATORS; CRITICAL CURRENT; DEFORMATION; DESIGN; MAGNETIC FLUX; MAGNETS; PERFORMANCE; PLASTICS; SIMULATION; TARGETS; TRANSPORT ACCELERATORS