NEW APPARATUS FOR CERAMIC TEXTURING WORKING UNDER UNIAXIAL-STRESS AND IN A MAGNETIC-FIELD

被引：8

作者：

NOUDEM, JG ^{[1
]}

BEILLE, J ^{[1
]}

DRAPERI, A ^{[1
]}

SULPICE, A ^{[1
]}

TOURNIER, R ^{[1
]}

机构：

[1] LAB LOUIS NEEL,CNRS,F-38042 GRENOBLE 9,FRANCE

来源：

SUPERCONDUCTOR SCIENCE & TECHNOLOGY | 1993年 / 6卷 / 11期

关键词：

D O I：

10.1088/0953-2048/6/11/007

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We have developed a new versatile apparatus combining the effect of hot pressing and the effect of magnetic field to texture HTSC (high-temperature superconductor) ceramics. The experimental set-up allows application of uniaxial stress up to 1100-degrees-C under a maximum pressure of 60 MPa, in a controlled atmosphere and a magnetic field of 8 T. We have optimized the cycle for stress application along with the thermal cycle to produce highly-textured ceramics. In this paper, we describe the stress and thermal cycles used to texture Bi-Pb-Sr-Ca-Cu-O (2223 phase) ceramics. We present the physical and chemical characterizations of the samples which show a strong degree of crystallite orientation.

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页码：795 / 798

页数：4

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