压电陶瓷的声发射测量

ISAF '96. Proceedings of the Tenth IEEE International Symposium on Applications of Ferroelectrics Pub Date : 1996-08-18 DOI:10.1109/ISAF.1996.598164

H. Aburatani, K. Uchino

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引用次数: 0

摘要

在声发射测量中，通过反馈系统观察到由电源引起的压电陶瓷的自振动。通过消除陶瓷的自振动，得到了与以往报道明显不同的结果。压电陶瓷中声发射的产生主要是由180/spl度/畴重定向引起的。

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Acoustic emission (AE) measurement in piezoelectric ceramics

A self vibration of piezoelectric ceramics caused by a power supply through a feedback system was observed during AE measurements. Significantly different results from previous reports were obtained by eliminating the self vibration of the ceramics. The AE generation in PZT was mostly caused by 180/spl deg/ domain reorientation.

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ISAF '96. Proceedings of the Tenth IEEE International Symposium on Applications of Ferroelectrics

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