Acoustic emission (AE) measurement technique in piezoelectric ceramics

被引：15

作者：

Aburatani, H

Uchino, K

机构：

[1] Pennsylvania State Univ, University Park, PA, United States

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS | 1996年 / 35卷 / 4B期

关键词：

acoustic emission (AE); domain; domain reorientation; piezoelectric ceramics; PZT;

D O I：

10.1143/JJAP.35.L516

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Special care must be taken in measuring the acoustic emission (AE) in piezoelectric ceramics, because a self vibration of the ceramics is caused by a power supply through a feedback system. Significantly different data from the results previously reported were obtained by eliminating the self vibration of the ceramics. The dynamic contribution of 180 degrees and non-180 degrees domain reorientation on the AE generation were discussed on the basis of AE data observed in lead zirconate-titanate (PZT) ceramics.

引用

页码：L516 / L518

页数：3

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