Fabrication and electromechanical characterization of silver-clad BSCCO tapes.

Journal Article · Thu Oct 01 04:00:00 EDT 1998 · J. Superconduct.

DOI:https://doi.org/10.1023/A:1022623026490· OSTI ID:942407

Iyer, A N; Salib, S; Mironova, M; Vipulanandan, C; Balachandran, U; Salama, K

The powder-in-tube technique consisting of industrial processes such as wire drawing and rolling has been widely used to fabricate superconducting tapes. In the present investigation a novel technique was adopted to fabricate BSCCO 2223 tapes. Instead of wire drawing, the silver billet was reduced in size by groove rolling. Stress conditions during groove rolling were analyzed and appropriate changes were incorporated to optimize the deformation process. Subsequent thermomechanical treatment resulted in tapes with average critical current density of 18,000 A/cm{sup 2}. Phase development and microstructural evolution during the thermomechanical treatment were studied using XRD, SEM, and TEM. The electromechanical properties of monofilament and composite BSCCO tapes were evaluated by subjecting them to in situ tensile tests. The strain tolerance of the composite was found to be better than that of the monofilament BSCCO tape.

• Research Organization: Argonne National Laboratory (ANL)
• DOE Contract Number: AC02-06CH11357
• OSTI ID: 942407
• Report Number(s): ANL/ET/JA-31113
• Journal Information: J. Superconduct., Journal Name: J. Superconduct. Journal Issue: 5 ; Oct. 1998 Vol. 11; ISSN JOUSEH; ISSN 0896-1107
• Country of Publication: United States
• Language: ENGLISH

Related Subjects

36 MATERIALS SCIENCE
BISMUTH OXIDES
CALCIUM OXIDES
COPPER OXIDES
CRITICAL CURRENT
FABRICATION
MICROSTRUCTURE
STRONTIUM OXIDES
SUPERCONDUCTORS
TENSILE PROPERTIES
THERMOMECHANICAL TREATMENTS