Design, fabrication and characterization of high temperature piezoelectric vibration sensor using YCOB crystals

被引：78

作者：

Kim, Kyungrim ^{[1
]}

Zhang, Shujun ^{[2
]}

Salazar, Giovanni ^{[1
]}

Jiang, Xiaoning ^{[1
]}

机构：

[1] N Carolina State Univ, Dept Mech & Aerosp Engn, Raleigh, NC 27695 USA

[2] Penn State Univ, Mat Res Inst, University Pk, PA 16802 USA

来源：

SENSORS AND ACTUATORS A-PHYSICAL | 2012年 / 178卷

基金：

美国国家科学基金会;

关键词：

Piezoelectric sensor; High temperature; Shear-mode accelerometer; YCOB; LANGASITE; ACCELEROMETER; ELECTRONICS; KNOCK;

D O I：

10.1016/j.sna.2012.02.003

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A shear-mode piezoelectric accelerometer using YCa4O(BO3)(3) single crystals (YCOB) was designed, fabricated and successfully tested for high temperature vibration sensing applications. Dynamic modeling of the accelerometer was presented first, followed by YCOB single crystal sample preparation, sensor assembly and experimental setup establishment. The prototyped accelerometer was tested at temperatures ranging from room temperature to 1000 degrees C and at frequencies ranging from 50 Hz to 350 Hz. The sensitivity of the prototype was found to be 5.9 +/- 0.06 pC/g throughout the tested frequency, temperature and acceleration ranges. In addition, YCOB piezoelectric accelerometers retained the same sensitivity at 1000 C for a dwell time of 9 h, exhibiting a high stability and reliability. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：40 / 48

页数：9

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