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Advancing Critical Currents in Superconductors

Nb-Ti: Example of Best Industrial Scale Heat Treated. Composites ~1990 (compilation). Critical Current. Density, A/mm². Nb-Ti(Fe): 1.9 K, Full-scale multifilamentary billet for. 10,000. FNAL/LHC (OS-STG) ASC'98. At 4.2 K Unless. Nb-44wt.%Ti-15wt.%Ta: at 1.8 K, monofil. high field.

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Advancing Critical Currents in Superconductors

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  1. Nb-Ti: Example of Best Industrial Scale Heat Treated Composites ~1990 (compilation) Critical Current Density, A/mm² Nb-Ti(Fe): 1.9 K, Full-scale multifilamentary billet for 10,000 FNAL/LHC (OS-STG) ASC'98 At 4.2 K Unless Nb-44wt.%Ti-15wt.%Ta: at 1.8 K, monofil. high field Otherwise Stated optimized, unpubl. Lee et al. (UW-ASC) ‘96 Nb-Ti 2 K Nb-Ti-Ta Nb-37Ti-22Ta: at 2.05 K, 210 fil. strand, 400 h total HT, Chernyi et al. (Kharkov), ASC2000 Nb Sn Internal Sn 3 2212 Round Wire Nb3Sn: Bronze route VAC 62000 filament, non-Cu 0.1µW·m 1.8 K Jc, VAC/NHMFL data courtesy M. Thoener. Nb3Sn: Non-Cu Jc Internal Sn OI-ST RRP #6555-A, 0.8mm, 1,000 LTSW 2002 2223 Nb3Al: Nb stabilized 2-stage JR process (Hitachi,TML- Nb Al 3 Nb Al NRIM,IMR-TU), Fukuda et al. ICMC/ICEC '96 ITER 3 Nb3Al: JAERI strand for ITER TF coil 100 1.8 K Nb-Ti-Ta Bi-2212: non-Ag Jc, 427 fil. round wire, Ag/SC=3 (Hasegawa ASC2000+MT17-2001) 1.8 K Nb Sn Bi 2223: Rolled 85 Fil. Tape (AmSC) B||, UW'6/96 3 Bronze Process Bi 2223: Rolled 85 Fil. Tape (AmSC) B|_, UW'6/96 10 0 5 10 15 20 25 30 Applied Field, T Advancing Critical Currents in Superconductors University of Wisconsin-Madison Applied Superconductivity Center December 2002 - Compiled by Peter J. Lee

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