Basic Studies of Elasticity Control of Lead Zirconate Titanate (PZT) Ceramic and its Application to Noise Interception Technology

Autor: Eiichi Fukada, Kenji Imoto, Komei Tahara, Munehiro Date, H. Ueda, Yoshiro Tajitsu
Rok vydání: 2007
Předmět:
Zdroj: Ferroelectrics. 351:43-50
ISSN: 1563-5112
0015-0193
Popis: Targeting noise interception, we studied a novel technique for controlling the elastic coefficient of a piezoelectric lead zirconate titanate (PZT) ceramic by connecting a negative-capacitance circuit that behaves as a “negative capacitor.” In this system, the attenuation factor in transmission loss was calculated from the ratio between signals obtained using the PZT system with and without the negative-capacitance circuit. The maximum attenuation factor in transmission loss was 57 dB.
Databáze: OpenAIRE