FRACTURE-TOUGHNESS OF YBA2CU3OX CONTAINING Y2BACUO5 AND ZRO2

被引：18
|
作者：
GORETTA, KC [1 ]
KULLBERG, ML [1 ]
BAR, D [1 ]
RISCH, GA [1 ]
ROUTBORT, JL [1 ]
机构：
[1] ARGONNE NATL LAB,DIV MAT SCI,ARGONNE,IL 60439
来源：
SUPERCONDUCTOR SCIENCE & TECHNOLOGY | 1991年 / 4卷 / 10期
关键词：
D O I：
10.1088/0953-2048/4/10/006
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Tetragonal ZrO2 particles have been added to superconducting YBa2Cu3Ox (123) to improve its fracture toughness (K(IC)). Reactions between the ZrO2 and 123 prevented the ZrO2 from providing significant toughening. A sol-gel coating of Y2BaCuO5 (211) on the ZrO2 particles minimized the deleterious reactions. Addition of 20 mol% ZrO2 coated with 211 yielded a 123 composite with a K(IC) of 4.5 MPa m0.5.
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页码：544 / 547
页数：4
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