Mechanical Reinforcement and Piezoelectric Properties of PZT Ceramics Embedded with Nano-Crystalline
WANG Da-Wei1† , JIN Hai-Bo1† , YUAN Jie2, WEN Bao-Li3 ZHAO Quan-Liang1, ZHANG De-Qing1, CAO Mao-Sheng1
1School of Materials Science and Engineering, BeijingInstitute of Technology, Beijing 1000812School of Information Engineering, Central University for Nationalities, Beijing 1000813Qiqihar Railway Rolling Stock CO., LTD, Qiqihar 161002
Mechanical Reinforcement and Piezoelectric Properties of PZT Ceramics Embedded with Nano-Crystalline
WANG Da-Wei1† , JIN Hai-Bo1† , YUAN Jie2, WEN Bao-Li3 ZHAO Quan-Liang1, ZHANG De-Qing1, CAO Mao-Sheng1
1School of Materials Science and Engineering, BeijingInstitute of Technology, Beijing 1000812School of Information Engineering, Central University for Nationalities, Beijing 1000813Qiqihar Railway Rolling Stock CO., LTD, Qiqihar 161002
The double-scale lead zirconate titanate (PZT) piezoelectric ceramics were prepared by the solid state processing with PZT nano-crystalline and micro-powder. The microstructures, electrical and mechanical properties of the double-scale PZT are investigated. All the sintered ceramics exhibit a single perovskite structure and the grain size of the double-scale PZT reduces due to the incorporation of PZT nano-crystalline. Compared to normal PZT, the mechanical properties increase significantly and the piezoelectric properties decrease slightly. Mechanisms responsible for the reinforcement of the double-scale PZT are discussed.
The double-scale lead zirconate titanate (PZT) piezoelectric ceramics were prepared by the solid state processing with PZT nano-crystalline and micro-powder. The microstructures, electrical and mechanical properties of the double-scale PZT are investigated. All the sintered ceramics exhibit a single perovskite structure and the grain size of the double-scale PZT reduces due to the incorporation of PZT nano-crystalline. Compared to normal PZT, the mechanical properties increase significantly and the piezoelectric properties decrease slightly. Mechanisms responsible for the reinforcement of the double-scale PZT are discussed.
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2010, Vol. 27 
