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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