Search: onr:"swepub:oai:DiVA.org:ltu-4489" >
Microstructure and ...
Microstructure and flux pinning in superconducting Bi-Pb-Sr-Ca-Cu-O wires
-
- Dou, S.X. (author)
- School of Materials Science and Engineering, University of New South Wales
-
- Liu, H.K. (author)
- School of Materials Science and Engineering, University of New South Wales
-
- Wang, J. (author)
- School of Materials Science and Engineering, University of New South Wales
-
show more...
-
- Apperley, M.H. (author)
- School of Materials Science and Engineering, University of New South Wales
-
- Sorrell, C.C. (author)
- School of Materials Science and Engineering, University of New South Wales
-
- Guo, S.J. (author)
- Luleå tekniska universitet
-
Loberg, Bengt (author)
-
- Easterling, Kenneth E. (author)
- Luleå tekniska universitet
-
show less...
-
(creator_code:org_t)
- 1990
- 1990
- English.
-
In: Physica. C, Superconductivity. - 0921-4534 .- 1873-2143. ; 172:1-2, s. 63-70
- Related links:
-
https://urn.kb.se/re...
-
show more...
-
https://doi.org/10.1...
-
show less...
Abstract
Subject headings
Close
- The critical current density (Jc) of Ag-clad Bi-Pb-Sr-Ca-Cu-O wire has been measured to be 1.2×104 A/cm2 at 77 K in zero field. The high Jc is attributed to a combination of elimination of the poisoning effect of Ag on superconductivity, grain alignment, and enhancement of flux pinning. Jc-H dependence was significantly improved in the Ag-clad tape, which has a Jc of 1.0×103 A /cm2 at 77 K and 4000 Oe, while the Jc of the sintered pellet drops two orders of magnitude at only 100 Oe. A pronounced anisotropy in Jc under high magnetic field is attributed to the grain alignment. Planar defects, such as heavy stacking faults parallel to the a-b plane in the rolled tape, are considered to be effective pinning centres.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Annan materialteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Other Materials Engineering (hsv//eng)
Keyword
- Materialteknik
- Engineering Materials
Publication and Content Type
- ref (subject category)
- art (subject category)
Find in a library
To the university's database