Joining of melt-textured YBCO using Tm123 powder as a solder

Model experiments on joining of melt-textured YBa 2Cu 3O 7− δ (MT-YBCO) using rings cut from bulk single domain give the strong proof that the critical current density through the soldered seam obtained using a Tm123 powder as a solder is at the same level as that through the MT-YBCO (34 kA/cm 2 at...

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Bibliographic Details
Published in:Physica. C, Superconductivity Superconductivity, 2003-04, Vol.386, p.221-224
Main Authors: Prikhna, T.A., Gawalek, W., Moshchil, V.E., Sergienko, N.V., Sverdun, V.B., Surzhenko, A.B., Wendt, M., Litzkendorf, D., Habisreuther, T., Vlasenko, A.V.
Format: Article
Language:English
Subjects:
Melt-textured YBa 2Cu 3O 7− δ (MT-YBCO)
Superconductive joining
TmBa 2Cu 3O 7− δ (Tm123)-powdered solder
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Summary:Model experiments on joining of melt-textured YBa 2Cu 3O 7− δ (MT-YBCO) using rings cut from bulk single domain give the strong proof that the critical current density through the soldered seam obtained using a Tm123 powder as a solder is at the same level as that through the MT-YBCO (34 kA/cm 2 at 77 K in the 0 T field) and that the proposed comparatively short soldering process allows us to obtain soldered bulk with the even higher j c (up to 2.5 T fields at 77 K) than that of the initial unbroken one. The seam structure (including the twinned one) slaved the structure of the jointed MT-YBCO.
ISSN:0921-4534
1873-2143
DOI:10.1016/S0921-4534(02)02124-X