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Pressure Sensing Properties of Porous Piezoelectric Ceramics
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Jingjing YE, Kechao ZHOU, Mingyang YAN, Di ZHAI, Qianqian XU, Dou ZHANG, Yan ZHANG
Journal of the Chinese Ceramic Society | 2023, 51(3) : 738 - 749
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Journal of the Chinese Ceramic Society | 2023, 51(3): 738-749
• Research Articles •
Pressure Sensing Properties of Porous Piezoelectric Ceramics
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Jingjing YE, Kechao ZHOU, Mingyang YAN, Di ZHAI, Qianqian XU, Dou ZHANG, Yan ZHANG
Affiliations
  • Powder Metallurgy Institute of Central South University, Changsha 410000, China

    • YE Jingjing (1998-), female, Master candidate. E-mail:

About Author:

YE Jingjing (1998-), female, Master candidate. E-mail:

Published: 2023-03-20 doi: 10.14062/j.issn.0454-5648.20220713
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Two types of porous lead zirconate titanate (PZT) with different pore morphologies and porosities were fabricated by freeze-casting and burnt-out polymer sphere techniques, respectively. The effects of porosity and pore morphology on the sensing application of porous PZT ceramics were investigated. The result shows that the decreasing rate for piezoelectric charge coefficient d33 is slower than that of relative permittivity εr for porous PZT ceramics, leading to a better piezoelectric performance for the porous PZT rather than that of the dense ceramic. Moreover, d33 of porous ceramics with random spherical pores decreases, compared to that of the porous ceramics with aligned pores. Therefore, the porous PZT ceramic with aligned pores has a higher output voltage. The maximum output voltage reaches up to 84 V, which is generated by the 55.9% porous PZT with aligned lamellar pores under 8 N external force. This work is beneficial for understanding the effect of the pore characteristic on the sensing properties of piezoelectric ceramics and provides a new idea for the preparation of sensors with high piezoelectric coefficient.

porous lead zirconate titanate ceramics  /  porosity  /  pore morphology  /  sensing
叶晶晶, 周科朝, 闫明洋, 翟迪, 徐倩倩, 张斗, 张妍. 多孔压电陶瓷压力传感器的制备及性能. 硅酸盐学报, 2023 , 51 (3) : 738 -749 . DOI: 10.14062/j.issn.0454-5648.20220713
Jingjing YE, Kechao ZHOU, Mingyang YAN, Di ZHAI, Qianqian XU, Dou ZHANG, Yan ZHANG. Pressure Sensing Properties of Porous Piezoelectric Ceramics[J]. Journal of the Chinese Ceramic Society, 2023 , 51 (3) : 738 -749 . DOI: 10.14062/j.issn.0454-5648.20220713
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Year 2023 volume 51 Issue 3
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Article Info
doi: 10.14062/j.issn.0454-5648.20220713
  • Receive Date：2022-08-31
  • Online Date：2026-10-20
  • Published：2023-03-20
Article Data
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History
  • Received：2022-08-31
  • Revised：2022-11-13
Funding
Affiliations
    Powder Metallurgy Institute of Central South University, Changsha 410000, China

Corresponding:

ZHANG Yan (1986-), female, Ph.D., Professor. E-mail:
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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