TITLE

New processing technique for forming flexible A-15 superconducting tapes with extremely high critical current densities and magnetic fields

AUTHOR(S)
Clapp, Mireille Treuil; Shi, Donglu
PUB. DATE
November 1986
SOURCE
Applied Physics Letters;11/10/1986, Vol. 49 Issue 19, p1305
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Alloys of Nb73Al12Si14.5B0.5 were rapidly quenched using the melt spinning technique to form fine amorphous ribbons. These were then annealed into A-15 tapes with a variety of grain sizes. The smaller the grain was the more flexible the tape and the higher the critical current density Jc. The best results were obtained for a tape with a grain size of 15 nm; it could be bent to a diameter of 1 mm without breaking and it had a Jc of 3.3×1010 A/m2 at a magnetic field of 20 T.
ACCESSION #
9821298

 

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