首页|Preparation and Characterization of Lead Free Multi-layer Ceramic Actuators with Ni Inner Electrodes Prepared by Inkjet Printing

Preparation and Characterization of Lead Free Multi-layer Ceramic Actuators with Ni Inner Electrodes Prepared by Inkjet Printing

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  • Trans Tech Publications Ltd
In order to prepare lead free multi-layer ceramic (MLC) actuators with Ni inner electrodes, inkjet ink containing NiO was prepared and its rheological properties were examined. The viscosity of the ink followed the Andrade's equation. By using this ink, Ba(Ti,Zr)O_3 based MLCs were prepared. The printed NiO layers were reduced to metal Ni and they functioned as the inner electrodes. The remanent polarization of the MLCs increased with the grain growth caused by the increase of firing temperature. The remanent polarization P_r and coercive field E_c of the MLCs fired at 1400℃ were 6.4 μC/cm~2 and 3.5 kV/cm, respectively. The displacement of the MLCs with 7 active layers was approximately 320nm at 30 kV/cm. The effective d_(33) shows approximately 160 pm/V when the electric field was 10 kV/cm.

Ba(Ti,Zr)O_3inkjet printingmulti-layer ceramicsactuatorlead free

Yuichi Sakai、Tomoaki Futakuchi、Masatoshi Adachi

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Toyama Industrial Technology Center, 383 Takada, Toyama 930-0866, Japan Department of Intelligent Systems Design Engineering, Faculty of Engineering, Toyama Prefectural University, 5180 Kurokawa, Imizu, Toyama 939-0398, Japan

Toyama Industrial Technology Center, 383 Takada, Toyama 930-0866, Japan

Department of Intelligent Systems Design Engineering, Faculty of Engineering, Toyama Prefectural University, 5180 Kurokawa, Imizu, Toyama 939-0398, Japan

2010

10.4028/www.scientific.net/KEM.421-422.26

Key engineering materials

Key engineering materials

ISSN：1013-9826
年,卷(期)：2010.421/422
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