Effect of Heat Treatment on Critical Current Density and n-value of (Nb, Ti)3Sn Multifilamentary Superconducting Wire

IEEE Transactions on Applied Superconductivity

Volumn 5, Issue 2, 1995, Pages 1781-1784

  Miyazaki, T ^a   Inoue, Y ^a   Miyatake, T ^a   Fukumoto, Y ^a   Shimada, M ^a  

^a KOBE STEEL LTD   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

CURRENT DENSITY; CURRENT VOLTAGE CHARACTERISTICS; GRAIN SIZE AND SHAPE; HEAT TREATMENT; MAGNETIC FIELDS; METALLOGRAPHIC MICROSTRUCTURE; MICROSCOPIC EXAMINATION; NIOBIUM ALLOYS; STABILIZERS (AGENTS); SURFACE PROPERTIES; THERMAL EFFECTS; TITANIUM ALLOYS;

CRITICAL CURRENT DENSITY; MULTIFILAMENTARY WIRE;

SUPERCONDUCTING WIRE;

EID: 0029324723     PISSN: 10518223     EISSN: 15582515     Source Type: Journal    
DOI: 10.1109/77.402924     Document Type: Article

References (13)

1. R. J. Soulen, Jr., “Possible explanation for the shape of I-V curves of superconductors and a more meaningful definition of Ic,” IEEE Trans. Appl. Supercond., vol. 3, pp. 1261-1264, 1993.
2. W. H. Warnes and D. C. Larbalestier, “Critical current distributions in superconducting composites,” Cryogenics, vol. 26, pp. 643-653, 1986.
3. Y. E. High, P. J. Lee, J. C. McKinnell and D. C. Larbalestier, “Quantitative analysis of sausaging in Nb barrier clad filaments of Nb-46.5wt%; Ti as a function of filament diameter and heat treatment,” Adv. in Cryogenic Eng., vol. 38, pp. 647-652, 1992.
4. H. S. Edelman and D. C. Larbalestier, “Resistive transitions and the origin of the n value in superconductors with a gaussian critical-current distribution,” J. Appl. Phys., vol. 74, pp. 3312-3315, 1993.
5. L. F. Goodrich, A. N. Srivastava, M. Yuyama and H. Wada, “n-value and second derivative of the superconductor voltage-current characteristic,” IEEE Trans. Appl. Supercond., vol. 3, pp. 265-268, 1993.
6. S. Ochiai and K. Osamura, “Influence of grain size and upper critical magnetic field on global pinning force of bronze-processed Nb3Sn compound,” Acta Metall., vol. 34, pp. 2425-2433, 1986.
7. S. Okuda, M. Suenaga and R. L. Sabatini, “Influence of metallurgical factors on superconducting current densities in ' ‘bronze-processed’ Nb3Sn multifilamentary wires,” J. Appl. Phys., vol. 54, pp. 289-302, 1983.
8. I. W. Wu, D. R. Dietderich, J. T. Holthuis, M. Hong, W. V. Hassenzahl and J. W. Morris, Jr., “The microstructure and critical current characteristic of a bronze-processed multifilamentary Nb3Sn superconducting wire,” J. Appl. Phys., vol. 54, pp. 7139-7152, 1983.
9. H. Boschman, H. H. J. ten Kate and L. J. M. van de Klundert, “Critical current transition study on multifilamentary NbTi superconductors having a Cu, a CuNi, or a mixed matrix,” IEEE Trans. Magn., vol. 24, pp. 1141-1144, 1988.
10. H. Kurahashi, Y. Monju, M. Shimada, M. Taneda, S. Hayashi, R. Ogawa and Y. Kawate, “The characterization of Nb3Sn conductors for high field magnet,” Adv. in Cryogenic Eng., vol. 40, pp. 861-866, 1994.
11. E. J. Kramer, “Scaling laws for flux pinning in hard superconductors,” J. Appl. Phys., vol. 44, pp. 1360, 1973.
12. N. Toyota, “Hc2 in A15 superconductors,” Cryogenic Eng., vol. 19, pp. 319-331, 1984 (in Japanese).
13. H. H. Farrell, G. H. Gilmer and M. Suenaga, “Grain boundary diffusion and growth of intermetallic layers: Nb3Sn,”J. Appl. Phys., vol. 45, pp. 4025-4035, 1974.