Microstructural refinement of tantalum for Nb3Sn superconductor diffusion barriers

IEEE Transactions on Applied Superconductivity

Volumn 15, Issue 2 PART III, 2005, Pages 3434-3437

  Mathaudhu, Suveen N ^a   Barber, Robert E ^a   Hartwig, K Ted ^a  

^a Texas AandM University   (United States)

Author keywords

Diffusion barrier; Multifilamentary superconductors; Nb3Sn; Tantalum

Indexed keywords

CRYSTAL MICROSTRUCTURE; DEFORMATION; DIFFUSION; HEAT TREATMENT; NIOBIUM COMPOUNDS; REDUCTION; TANTALUM;

DIFFUSION BARRIER; FINE-GRAIN MATERIAL; MULTIFILAMENTARY SUPERCONDUCTORS; MULTIPASS PROCESSEING;

SUPERCONDUCTING MATERIALS;

EID: 22044437271     PISSN: 10518223     EISSN: None     Source Type: Journal    
DOI: 10.1109/TASC.2005.849043     Document Type: Conference Paper

References (10)

1. K. T. Hartwig, S. N. Mathaudhu, H. J. Maier, and I. Karaman, "Hardness and microstructure changes in severely deformed and recrystallized tantalum," in Ultrafine Grained Materials II, Y. T. Zhu, T. G. Langdon, R. S. Mishra, S. L. Semiatin, M. J. Saran, and T. C. Lowe, Eds. Warrendale: TMS, 2002, pp. 151-160.
2. M. Haouaoui, "Characterizations of Severely deformed and annealed copper," M.S. thesis, Dept. Mech. Eng., Texas A&M Univ., College Station, 2001.
3. K. T. Hartwig, D. O. Bryant, S. N. Mathaudhu, R. E. Barber, and J. T. Im, "Grain refinement of Nb by SPD," in Adv. Cryogenic Eng.: Trans. Int. Cryogenic Mat. Conf., vol. 50b, U. Balachandran, Ed., 2004, pp. 441-449.
4. J. F. Muller, "An overview of the application of tantalum and its alloys as warhead liner materials," in Tantalum, Proc. Symp. Sponsored by SCAMP and SMD(RMMC), E. Chen, A. Crowson, E. Lavernia, W. Ebihara, and P. Kumar, Eds., 1996, pp. 301-305.
5. V. M. Segal, "Materials processing by simple shear," Mat. Sci. Eng. A, vol. 197, pp. 157-164, 1995.
6. 3Sn superconductors," IEEE Trans. Appl. Supercond., submitted for publication.
7. H. R. Z. Sandim, H. J. McQueen, and W. Blum, "Microstructure of cold swaged tantalum at large strains," Scripta Materialia, vol. 42, pp. 151-156, 2000.
8. T. Pyon and H. Kanithi, "Development of Nb3 Sn conductors for fusion and high energy physics," IEEE Trans. Appl. Supercond., vol. 13, pp. 3474-3477, 2003.
9. M. Gibbs, K. T. Hartwig, and A. Pazant, "Texture formation in bulk Fe processed by simple shear," Scripta Mat., vol. 39, pp. 1699-1704, 1998.
10. S. Leipert, "The Influence of ECAE on Texture Evolution in Pure Ta," M.S. thesis, Dept. Mech. Eng., Texas A&M Univ., College Station, 1998.