Effects of Fe2O3Addition on Piezoelectric Properties of Pb(Ni1/3Nb2/3)O3-PbTiO3Ceramics for Actuator Applications

Lim, Eun-Kyeong; Kim, Chang-Il; Young-Jin, Lee; Im, Jungho; Jong-Hoo, Paik

doi:10.4313/jkem.2006.19.10.935

Journal of the Korean Institute of Electrical and Electronic Ma

2006

DOI: 10.4313/jkem.2006.19.10.935

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Effects of Fe₂O₃Addition on Piezoelectric Properties of Pb(Ni_1/3Nb_2/3)O₃-PbTiO₃Ceramics for Actuator Applications

Eun-Kyeong Lim¹,

Chang-Il Kim²,

Lee Young-Jin³

et al.

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Cited by 2 publications

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Self Power Generation from Vibration using Piezoelectric Bimorph Actuator

Kim¹,

Jeong²,

Lee

et al. 2008

Journal of the Korean Institute of Electrical and Electronic Ma

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This paper presents the self power generation from vibration using the piezoelectric bimorph actuator. The piezoelectric bimorph actuator was well developed with PZT-PNN-Fe piezoelectric ceramics. As the applied voltage was increased, a linear change of displacement was obtained with a relatively high ratio of 12.53 um/V for the bimorph actuator. Moreover, when the motor's rotational speed was 2000 rpm, the bimorph actuator, which has a resonance frequency of 68 Hz, exhibited the most efficient generation voltage of 10.4 V. This bimorph actuator could make the LED, emitting 60 mW, working successfully. Therefore, it is anticipated that the bimorph actuator will be useful as a power source for the next-generation electronic devices.

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Self Power Generation from Vibration using Piezoelectric Bimorph Actuator

Kim¹,

Jeong²,

Lee

et al. 2008

Journal of the Korean Institute of Electrical and Electronic Ma

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Design and Evaluation of Piezoelectric Ultrasonic Scaler Produced by a Simulation

Kim¹,

Lee²,

Paik³

et al. 2009

Journal of the Korean Institute of Electrical and Electronic Ma

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A piezoelectric ultrasonic scaler, usually used to remove the tartar out of teeth and to amputate the pubis, is a recently popular instrument for dental treatment due to its several merits such as small size, low-electric power, precision and low-cost. It has typically two parts of a tip and vibration system, which is also composed of head, piezoelectric elements and tail-mass. The scaler concentrates its displacement on tip and has commonly a resonance frequency at 25∼30 kHz, and in order to improve the performance of the scaler, it is important to standardize the size of the vibration system without tip for high performance because scaler in quality differs according to several tips. In this study, a Finite Element Analysis (FEA) was utilized to optimize the structure of ultrasonic scaler in the vibration system. Consequently, this study revealed that influence of several tips on property were minimized and scaler showed good property at the resonance frequency of 28 kHz.

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Effects of Fe₂O₃Addition on Piezoelectric Properties of Pb(Ni_1/3Nb_2/3)O₃-PbTiO₃Ceramics for Actuator Applications

Cited by 2 publications

References 2 publications

Self Power Generation from Vibration using Piezoelectric Bimorph Actuator

Self Power Generation from Vibration using Piezoelectric Bimorph Actuator

Design and Evaluation of Piezoelectric Ultrasonic Scaler Produced by a Simulation

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