Title :
A statistical evaluation of recent SSC conductors produced at IGC/ASI
Author :
Valaris, P. ; Kanithi, H.C. ; Macri, R. ; Zeitlin, B.A.
Author_Institution :
IGC/Adv. Superconductors Inc., Waterbury, CT, USA
fDate :
3/1/1991 12:00:00 AM
Abstract :
One of the requirements for uniform field quality in the SSC (Superconducting Super Collider) dipole magnets is the consistency in the superconducting strand characteristics from start to finish to the production phase. As full-scale production of strand and cable approaches, the consistency in performance of the early batches of conductor needs to be examined. A number of 300-mm billets have been manufactured with tight process controls. The performance of the final conductor in terms of piece lengths, current density, Cu/Sc ratio, and wire diameter has been evaluated. The data are analyzed in order to understand the variations that are related to the conductor design and processing. The current density of the strand is examined over the length of the billet to determine inherent variability in the NbTi alloy itself
Keywords :
beam handling equipment; composite superconductors; critical current density (superconductivity); critical currents; proton accelerators; statistical analysis; storage rings; superconducting magnets; synchrotrons; Cu matrix; NbTi alloy; NbTi-Cu; Superconducting Super Collider; conductor design; consistency in performance; critical currents; current density; dipole magnets; piece lengths; statistical evaluation; superconducting magnets; superconducting strand characteristics; uniform field quality; wire diameter; Billets; Conductors; Current density; Data analysis; Manufacturing processes; Process control; Production; Superconducting cables; Superconducting magnets; Wire;
Journal_Title :
Magnetics, IEEE Transactions on
