FABRICATION OF AG/(BI,PB)-SR-CA-CU-O SUPERCONDUCTING TAPES

被引：16

作者：

HUANG, YB

DELAFUENTE, GF

RUIZ, MT

LARREA, A

BADIA, A

LERA, F

RILLO, C

NAVARRO, R

机构：

[1] Instituto de Ciencia de Materiales de Aragón, CSIC - Universidad de Zaragoza, Centro Politécnico Superior de Ingenieros, E-50015 Zaragoza

来源：

CRYOGENICS | 1993年 / 33卷 / 01期

关键词：

HIGH TC SUPERCONDUCTORS; AG/BI; 2223; TAPES; MULTIFILAMENTARY WIRES;

D O I：

10.1016/0011-2275(93)90088-6

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Ag-sheathed Bi-2223 mono- and multifilamentary superconducting tapes have been obtained from wires produced by the powder-in-tube method. The tapes have been characterized by scanning electron and polarized optical microscopy, together with critical current density (J(c) and J(c)(B)) measurements. A systematic study of the processing parameters (annealing time and temperature, compaction pressure and number of cycles) has led to an optimized procedure for the fabrication of high J(c) monofilamentary (2.1 X 10(4) A cm-2 at 77 K and zero field) tapes. Multifilamentary tapes have also been obtained with J(c) as high as 1.35 x 10(4) A cm-2 at 77 K and zero field.

引用

页码：117 / 129

页数：13

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