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Effect of sintering time on transport Jc in (Pb,Bi)2223 tapes

โœ Scribed by D.M. Spiller; C. Beduz; Y. Yang; Z. Yi; R. Riddle; K. Pham

Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
147 KB
Volume
235-240
Category
Article
ISSN
0921-4534

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โœฆ Synopsis

We present the results of an investigation into the Jc dependence on processing time for silver and a silver alloy sheathed (Pb,Bi)2223 tapes sintered at 830ยฐC. The peak Jยข for the silver alloy and silver tapes was found to differ in magnitude and sintering time (Jc,,l,oy= 14250 Acre -2, Jยข,^s=7500 Acm'Z). The peak value of J~ for the alloy sheathed tape was found to be at 130h and that of the silver sheathed tape was at 250h.

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The effect of core density on the format
The effect of core density on the formation of the 2223 phase in (Pb/Bi)2Sr2Ca2Cu3Ox superconducting tapes
โœ S.J. Fisher; M.K. Al-Mosawi; C. Beduz; Y. Yang ๐Ÿ“‚ Article ๐Ÿ“… 1997 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 404 KB

The effect of core density on the processing of superconducting tapes has been investigated. Tapes were prepared with different 'as-rolled' densities, but all other mechanical and thermal parameters remained the same. The precursor powder used had a nominal stoichiometry of Bi,.,,Pb,.,,Sr,.,,Ca~.~~C