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Marken, K.R.; Sumption, M.D.; Collings, E.W.; Scanlan, R.M.
Advances in cryogenic engineering materials. Volume 38, Part B1992
Advances in cryogenic engineering materials. Volume 38, Part B1992
AbstractAbstract
[en] The time dependence of the magnetization has been measured in a variety of SSC (Superconducting Super Collider) strands after magnetizing and demagnetizing in a manner similar to SSC dipole-magnet field cycles. Strands measured include Cu and CuMn matrix materials with filament diameters in the range 2 to 6 μm. Decay rates have been measured for short straight samples both with and without matrix, and also for short oval-section coils both face-on and edge-on in the applied field. The various short straight samples measured at 3 kOe creep at a rate S = d(M/M0)/d(ln t) in the range 2 to 10 x 10-3, with similar rates observed for clad and unclad samples. The two orientations for the coil samples allowed comparison of creep rates both with and without significant eddy-current coupling, a comparison which suggests there is no connection between eddy currents and enhanced creep. A large difference between creep rates in face-on and edge-on orientations of a fine-filament Cu matrix coil strongly suggests that proximity coupling can lead to enhanced creep rates
Original Title
SSC (Superconducting Super Collider)
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Secondary Subject
Source
Fickett, F.R.; Reed, R.P. (eds.); 754 p; 1992; p. 715-722; Plenum Press; New York, NY (United States); CEC/ICMC: cryogenic engineering conference and international cryogenic materials conference; Huntsville, AL (United States); 11-14 Jun 1991; Plenum Publishing Corp., 233 Spring Street, New York, NY 10013 (United States)
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Book
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Conference
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