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Ferroelectrics Volume 614, 2023 - Issue 1
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Research Article

Preparation and characterization of Pb(Ni1/3Nb2/3)0.5(Ti0.7Zr0.3)0.5O3 functionally graded piezoelectric actuator by tape-casting process

Hui WangEast China Institute of Photo-Electronic IC, Suzhou, P.R. ChinaCorrespondence[email protected]
,
Biao HeEast China Institute of Photo-Electronic IC, Suzhou, P.R. China
,
Peng GaoEast China Institute of Photo-Electronic IC, Suzhou, P.R. China
,
Liang GaoEast China Institute of Photo-Electronic IC, Suzhou, P.R. China
,
Ran LiEast China Institute of Photo-Electronic IC, Suzhou, P.R. China
,
Jinchen LiEast China Institute of Photo-Electronic IC, Suzhou, P.R. China
&
Zheyu SongEast China Institute of Photo-Electronic IC, Suzhou, P.R. China
 show all
Pages 127-136 | Received 05 Apr 2023, Accepted 09 Jun 2023, Published online: 31 Aug 2023
 
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Abstract

A Pb(Ni1/3Nb2/3)0.5(Ti0.7Zr0.3)0.5O3 functionally graded piezoelectric actuator was fabricated by tape-casting. The properties of the PNN-PZT ceramics were initially investigated by phase and microstructure analyses. High piezoelectric, dielectric and ferroelectric properties of d33 = 780 pC/N, kp = 0.605, εr = 6.18 × 103, tanδ  =  0.018, Pr = 26.36 μC/cm2 were obtained for the specimens sintered at 1225 °C. The new piezoelectric actuator consisted of four layers, and the variation of changes in their d33 and εr were graded opposite the thickness direction. The relationship between displacement and voltage for the actuator was determined, with the results showing that it was linear. The driving displacement of the actuator reached 416.550 μm.

Disclosure Statement

No potential conflict of interest was reported by the authors.

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