1995•Superconductor Science and TechnologyRequires access

Fabrication of Ag-clad (Tl,V)(Sr,Ba)2Ca2Cu3Oysuperconducting tapes

Yanliang Li, Z. Z. Sheng, Zhifeng Ren, J H Wang, K. C. Goretta

Abstract

Ag-clad (Tl,V)(Sr,Ba) 2 Ca 2 Cu 3 O y tapes were fabricated by a powder-in-tube process. The tapes exhibited no discernible favourable texture. Critical current density (J c ) values at 77 K were <2000 A cm -2 and were strongly influenced by heat treatment temperature and time. Pressing before the final annealing reduced the tape thickness and increased the J c .

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Key concepts: Materials science, Critical current, Annealing (glass), Fabrication, Superconductivity, Strontium oxide, High-temperature superconductivity, Texture (cosmology)