EFFECT OF GRAIN-SIZE AND POLING ON THE FRACTURE MODE OF LEAD ZIRCONATE TITANATE CERAMICS

被引：41
|
作者：
KIM, SB [1 ]
KIM, DY [1 ]
KIM, JJ [1 ]
CHO, SH [1 ]
机构：
[1] KYUNGPOOK NATL UNIV,COLL ENGN,DEPT MAT SCI & ENGN,TAEGU 702701,SOUTH KOREA
来源：
JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 1990年 / 73卷 / 01期
关键词：
domains; electric field; fracture; lead zirconate titanate (PZT); mechanical properties;
D O I：
10.1111/j.1151-2916.1990.tb05113.x
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The fracture mode of lead zirconate titanate (PZT) ceramics at room temperature is investigated as a function of grain size. The fracture mode is almost intergranular at small grain size and changes to predominantly transgranular at large grain size. Application of an electric field (poling) causes a change in the fracture mode from transgranular to intergranular. The observed fracture behavior of PZT ceramics is explained in relation to a possible domain structure. Copyright © 1990, Wiley Blackwell. All rights reserved
引用
收藏
页码：161 / 163
页数：3
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