DIRECTIONAL GROWTH OF EXTRUDED YBA2CU3O7-X SUPERCONDUCTORS

被引：3

作者：

SHIN, WS ^{[1
]}

SHIM, SJ ^{[1
]}

NO, KS ^{[1
]}

JANG, GN ^{[1
]}

KIM, WB ^{[1
]}

机构：

[1] KOREA INST GEOL MIN & MAT,TEAJON,SOUTH KOREA

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS | 1993年 / 32卷 / 6B期

关键词：

SUPERCONDUCTOR; DIRECTIONAL GROWTH; EXTRUSION; HIGH CRITICAL CURRENT DENSITY;

D O I：

10.1143/JJAP.32.L832

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Textured bulk YBa2Cu3Ox high-temperature superconductor samples were fabricated through the extrusion and the directional growth of superconductor grains reacted from Y2BaCuO5, BaCuO2 and CuO powder mixtures. Wires of 2 mm in diameter were extruded to several hundred meters. The directional growth under proper conditions eliminated extrusion defects such as pores and voids, and the critical current of the sample increased. The sample grown directionally at 1155-degrees-C consisted of a dense microstructure and an almost perfectly aligned grain structure, and showed a high critical current density of over 10(4) A/cm2.

引用

页码：L832 / L833

页数：2

共 6 条

[1] COMBINED PROCESSING OF YBA2CU3O7-DELTA SUPERCONDUCTING WIRE BY MECHANICAL WORK AND MELT GROWTH TECHNIQUE [J].