Multilayer piezoelectric haptic actuator with CuO-modified PZT-PZNN ceramics

In Tae Seo; Tae Gon Lee; Dae Hyeon Kim; Joon Hur; Jong Hyun Kim; Sahn Nahm; Jungho Ryu; Byung Yul Choi

doi:10.1016/j.sna.2015.12.012

Multilayer piezoelectric haptic actuator with CuO-modified PZT-PZNN ceramics

In Tae Seo, Tae Gon Lee, Dae Hyeon Kim, Joon Hur, Jong Hyun Kim, Sahn Nahm, Jungho Ryu, Byung Yul Choi

Department of Materials Science and Engineering

Research output: Contribution to journal › Article

18 Citations (Scopus)

Abstract

A piezoelectric haptic actuator composed of a multilayered ceramic (MLC) of 0.5 mol% CuO-modified 0.69Pb(Zr_0.47Ti_0.53)O₃-0.31[Pb(Zn_0.4Ni_0.6)_1/3Nb_2/3]O₃ (0.5CPZT-PZNN) ceramic was developed and characterized. The 0.5CPZT-PZNN ceramic was well-sintered at 900 °C. This ceramic showed a small ε^T ₃₃/ε_o of 1801 and a large d₃₃ of 570 pC/N, necessary characteristics for high-performance actuators operating at low voltages. This ceramic also showed a high field-induced strain, maintained after 10⁶ fatigue cycles. A three-layer MLC was synthesized at 900 °C using this ceramic. Ag metal was used as the electrode for the MLC actuator. No inter diffusion between the Ag electrode and the 0.5CPZT-PZNN ceramic layer was observed. The MLC actuator exhibited a high free stroke of ± 300 μm even after 10⁶ bending cycles. The piezoelectric haptic actuator fabricated using this MLC showed a large vibration acceleration of 2.1 G with a low capacitance of 20 nF. This demonstrates the suitability of the 0.5CPZT-PZNN ceramic for applications in piezoelectric haptic actuator.

Original language	English
Pages (from-to)	71-79
Number of pages	9
Journal	Sensors and Actuators, A: Physical
Volume	238
DOIs	https://doi.org/10.1016/j.sna.2015.12.012
Publication status	Published - 2016 Feb 1

Keywords

Actuator
Haptic
Multi-layer
Piezoelectric
PZT-based ceramics

ASJC Scopus subject areas

Electrical and Electronic Engineering
Condensed Matter Physics
Electronic, Optical and Magnetic Materials
Metals and Alloys
Surfaces, Coatings and Films
Instrumentation

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Seo, I. T., Lee, T. G., Kim, D. H., Hur, J., Kim, J. H., Nahm, S., Ryu, J., & Choi, B. Y. (2016). Multilayer piezoelectric haptic actuator with CuO-modified PZT-PZNN ceramics. Sensors and Actuators, A: Physical, 238, 71-79. https://doi.org/10.1016/j.sna.2015.12.012

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abstract = "A piezoelectric haptic actuator composed of a multilayered ceramic (MLC) of 0.5 mol% CuO-modified 0.69Pb(Zr0.47Ti0.53)O3-0.31[Pb(Zn0.4Ni0.6)1/3Nb2/3]O3 (0.5CPZT-PZNN) ceramic was developed and characterized. The 0.5CPZT-PZNN ceramic was well-sintered at 900 °C. This ceramic showed a small εT 33/εo of 1801 and a large d33 of 570 pC/N, necessary characteristics for high-performance actuators operating at low voltages. This ceramic also showed a high field-induced strain, maintained after 106 fatigue cycles. A three-layer MLC was synthesized at 900 °C using this ceramic. Ag metal was used as the electrode for the MLC actuator. No inter diffusion between the Ag electrode and the 0.5CPZT-PZNN ceramic layer was observed. The MLC actuator exhibited a high free stroke of ± 300 μm even after 106 bending cycles. The piezoelectric haptic actuator fabricated using this MLC showed a large vibration acceleration of 2.1 G with a low capacitance of 20 nF. This demonstrates the suitability of the 0.5CPZT-PZNN ceramic for applications in piezoelectric haptic actuator.",

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author = "Seo, {In Tae} and Lee, {Tae Gon} and Kim, {Dae Hyeon} and Joon Hur and Kim, {Jong Hyun} and Sahn Nahm and Jungho Ryu and Choi, {Byung Yul}",

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AU - Kim, Dae Hyeon

AU - Hur, Joon

AU - Kim, Jong Hyun

AU - Nahm, Sahn

AU - Ryu, Jungho

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