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Evaluation of the Performance of Piezoceramic Materials at Moderately Elevated Temperatures

[+] Author Affiliations
Mark J. Schulz

University of Cincinnati, Cincinnati, OH

Mannur J. Sundaresan, Jason McMichael, David Clayton

North Carolina A&T University, Greensboro, NC

Paper No. IMECE2002-39376, pp. 319-326; 8 pages
doi:10.1115/IMECE2002-39376
From:
  • ASME 2002 International Mechanical Engineering Congress and Exposition
  • Materials: Processing, Characterization and Modeling of Novel Nano-Engineered and Surface Engineered Materials
  • New Orleans, Louisiana, USA, November 17–22, 2002
  • Conference Sponsors: Materials Division
  • ISBN: 0-7918-3640-1 | eISBN: 0-7918-1691-5, 0-7918-1692-3, 0-7918-1693-1
  • Copyright © 2002 by ASME

abstract

Piezoceramic materials used for the actuating and sensing of smart structures are limited in the temperature range in which they can operate. Operation at temperatures above ambient is desired for many applications including aircraft, turbine engine housings and others. The decrease in actuation and sensing capability with increasing temperature is due to the loss of stiffness of the adhesive used to bond piezoceramic patches to structures, and the loss of the piezoceramic properties through partial depoling of the lead zirconate titanate material. This paper examines the performance of piezoceramic patch actuators at moderately elevated temperatures.

Copyright © 2002 by ASME

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