FACTORS AFFECTING Y2BACUO5 PRECIPITATE SIZE DURING MELT PROCESSING OF YBA2CU3O7-X

被引：26
|
作者：
VARANASI, C
MCGINN, PJ
SENGUPTA, S
机构：
[1] Center for Materials Science and Engineering, Department of Electrical Engineering, University of Notre Dame, Notre Dame, 46556, IN
来源：
JOURNAL OF ELECTRONIC MATERIALS | 1994年 / 23卷 / 11期
关键词：
GRAIN ALIGNMENT (TEXTURING); MAGNETIZATION; Y2BACUO5;
D O I：
10.1007/BF02649961
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In the microstructures of melt processed YBa2Cu3O7-x (123) superconductors, often unconsumed Y2BaCuO5 (211) particles are observed. The 211 particle size and distribution depend upon i) processing parameters such as peak temperature, heating rate, residence time above 1010 degrees C, starting 123 grain size, etc., ii) second phase additions, and iii) the processing route employed. 211 particle size control is of primary interest for enhancing 123 flux pinning, and fracture toughness. Factors which determine the 211 particle size are reviewed.
引用
收藏
页码：1143 / 1150
页数：8
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