Actions for Sintering of bulk high-{Tc} superconductors [electronic resource] : Bi-Sr-Ca-Cu-O.

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Sintering of bulk high-{Tc} superconductors [electronic resource] : Bi-Sr-Ca-Cu-O.

Published
Washington, D.C. : United States. Dept. of Energy, 1992.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description
9 pages : digital, PDF file
Additional Creators
Argonne National Laboratory, United States. Department of Energy, and United States. Department of Energy. Office of Scientific and Technical Information
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Summary
Bi₂Sr₂CaCu₂Oₓ (2212) and (Bi,Pb)₂Sr₂Ca₂Cu₃Oₓ (2223) superconductors have orthorhombic crystal structures. They form platelike grains that at high temperatures grow primarily in the a-b planes and not in the c direction. The diffusional properties of Bi-Sr-Ca-Cu-O superconductors are so anisotropic that 2212 and 2223 cannot, in general, be densified by solid-state sintering. Improved densification can be achieved by application of pressure or by use of transient liquid phases. Most useful bulk Bi-Sr-Ca-Cu-O superconductors are composites that contain Ag. The Ag lowers the melting points of the superconductors, which has significant effects on microstructural development. The results of disparate sintering studies are presented and discussed.
Report Numbers
E 1.99:anl/cp--74239
E 1.99: conf-9206195--2
conf-9206195--2
anl/cp--74239
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Note
Published through SciTech Connect.
05/01/1992.
"anl/cp--74239"
" conf-9206195--2"
"DE92016189"
1992 powder metallurgy world congress,San Francisco, CA (United States),21-26 Jun 1992.
Wu, C.T.; Nash, A.S.; Goretta, K.C.; Lanagan, M.T.; Poeppel, R.B.; Kaufman, D.Y.; Biondo, A.C.; Loomans, M.E.; Cheesman, M.R.
Funding Information
W-31109-ENG-38
View MARC record | catkey: 14456577