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Sensors 2014, 14(1), 144-169; doi:10.3390/s140100144
Review

High-Temperature Piezoelectric Sensing

1,* , 1
,
2
,
1
 and
1
1 Department of Mechanical and Aerospace Engineering, North Carolina State University, Raleigh, NC 27695, USA 2 Materials Research Institute, Pennsylvania State University, University Park, PA 16802, USA
* Author to whom correspondence should be addressed.
Received: 19 November 2013 / Revised: 10 December 2013 / Accepted: 17 December 2013 / Published: 20 December 2013
(This article belongs to the Special Issue Sensors for Harsh-Environment Applications)

Abstract

Piezoelectric sensing is of increasing interest for high-temperature applications in aerospace, automotive, power plants and material processing due to its low cost, compact sensor size and simple signal conditioning, in comparison with other high-temperature sensing techniques. This paper presented an overview of high-temperature piezoelectric sensing techniques. Firstly, different types of high-temperature piezoelectric single crystals, electrode materials, and their pros and cons are discussed. Secondly, recent work on high-temperature piezoelectric sensors including accelerometer, surface acoustic wave sensor, ultrasound transducer, acoustic emission sensor, gas sensor, and pressure sensor for temperatures up to 1,250 °C were reviewed. Finally, discussions of existing challenges and future work for high-temperature piezoelectric sensing are presented.
Keywords: high-temperature sensing; high-temperature piezoelectrics; piezoelectric sensors; high-temperature piezoelectric sensors high-temperature sensing; high-temperature piezoelectrics; piezoelectric sensors; high-temperature piezoelectric sensors
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).
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Jiang, X.; Kim, K.; Zhang, S.; Johnson, J.; Salazar, G. High-Temperature Piezoelectric Sensing. Sensors 2014, 14, 144-169.

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