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Micro and Smart Devices and SystemsDevelopment and Characterization of PZT Multilayered Stacks for Vibration Control

Micro and Smart Devices and Systems: Development and Characterization of PZT Multilayered Stacks... [Piezoelectric materials capable of performing both “sensing” and “actuation” belong to a class of smart materials. These materials produce electric charges on application of mechanical stress (as a sensor) or undergo dimensional change when subjected to an electric field (as an actuator). Lead zirconate titanate (PZT) is a piezoceramic material used widely due to its (i) fast response time, (ii) high frequency response, (iii) precession flow control, etc. PZT sensors and actuators are used for various applications such as vibration control of structures, for development of smart aeroplane wings/morphing structures, fuel flow control in automobile engines, etc. In this chapter, development of PZT powders, fabrication of PZT multilayered (ML) stacks, and their characterization is presented. PZT powders of high piezoelectric charge constant (d33 = 590–610 pC/N) is prepared by wet-chemical route. Simple PZT ML stacks with high block force (~5200 N) and amplified piezo actuators (APA) of high displacement (~173 µm) are fabricated by tape casting method using in-house developed PZT powder. The dynamic characterization of APA is carried out at different frequencies (100 Hz–1 kHz) and at different voltages (20–40 V). The actuator performs very well over the frequency range without attenuation of the signal, therefore, is suitable for vibration control applications.] http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png

Micro and Smart Devices and SystemsDevelopment and Characterization of PZT Multilayered Stacks for Vibration Control

Part of the Springer Tracts in Mechanical Engineering Book Series
Editors: Vinoy, K. J.; Ananthasuresh, G. K.; Pratap, Rudra; Krupanidhi, S. B.
Panda, P. K.; Sahoo, B.
Micro and Smart Devices and Systems — May 22, 2014
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11 pages

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Publisher
Springer India
Copyright
© Springer India 2014
ISBN
978-81-322-1912-5
Pages
143 –154
DOI
10.1007/978-81-322-1913-2_9
Publisher site
See Chapter on Publisher Site

Abstract

[Piezoelectric materials capable of performing both “sensing” and “actuation” belong to a class of smart materials. These materials produce electric charges on application of mechanical stress (as a sensor) or undergo dimensional change when subjected to an electric field (as an actuator). Lead zirconate titanate (PZT) is a piezoceramic material used widely due to its (i) fast response time, (ii) high frequency response, (iii) precession flow control, etc. PZT sensors and actuators are used for various applications such as vibration control of structures, for development of smart aeroplane wings/morphing structures, fuel flow control in automobile engines, etc. In this chapter, development of PZT powders, fabrication of PZT multilayered (ML) stacks, and their characterization is presented. PZT powders of high piezoelectric charge constant (d33 = 590–610 pC/N) is prepared by wet-chemical route. Simple PZT ML stacks with high block force (~5200 N) and amplified piezo actuators (APA) of high displacement (~173 µm) are fabricated by tape casting method using in-house developed PZT powder. The dynamic characterization of APA is carried out at different frequencies (100 Hz–1 kHz) and at different voltages (20–40 V). The actuator performs very well over the frequency range without attenuation of the signal, therefore, is suitable for vibration control applications.]

Published: May 22, 2014

Keywords: Piezoelectric; PZT; Actuator; Tape casting; Multilayer stacks

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