Improved hydrostatic piezoelectric property via incorporation of porous PZT ceramics into 1–3 type PZT-polymer composites: Design to fabrication

IF 5.8 2区材料科学 Q1 MATERIALS SCIENCE, CERAMICS

Journal of The European Ceramic Society Pub Date : 2024-10-31 DOI:10.1016/j.jeurceramsoc.2024.117046

Il-Gok Hong, Ho-Yong Shin, Jong-Ho Kim, Jong-In Im

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Abstract

PZT ceramic is widely used as sensors, especially in underwater applications like sound navigation and ranging(SONAR), due to its piezoelectric properties. However, single-phase PZT ceramics have poor hydrostatic piezoelectric properties, leading to the development of porous PZT and PZT-polymer composites. This study enhanced the hydrostatic figure of merit(HFOM) value by incorporating porous PZT into a 1–3 type composite. Finite element analysis and the ceramic injection molding(CIM) method were used for optimal design and fabrication. PZflex simulation tool derived the composite's piezoelectric properties, revealing that increased porosity reduced d₃₃ and d₃₁ but increased HFOM. The aspect ratio of PZT rods was selected by calculating the coupling factor. The fabricated composite had a higher HFOM value (4050(10–15 Pa) at 12 % porosity) than dense 1–3 type PZT-polymer composites. This study demonstrates the effectiveness of finite element analysis and CIM in designing high-performance piezoelectric composites, with potential for various future applications.

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通过在 1-3 型 PZT 聚合物中加入多孔 PZT 陶瓷提高静压电性能：从设计到制造

由于具有压电特性，PZT 陶瓷被广泛用作传感器，特别是在声导航和测距（SONAR）等水下应用中。然而，单相 PZT 陶瓷的静压电性能较差，因此人们开始开发多孔 PZT 和 PZT-聚合物复合材料。本研究通过在 1-3 型复合材料中加入多孔 PZT，提高了静压功勋值（HFOM）。研究采用有限元分析和陶瓷注射成型（CIM）方法进行优化设计和制造。PZflex 仿真工具得出了复合材料的压电特性，显示孔隙率的增加降低了 d33 和 d31，但增加了 HFOM。通过计算耦合系数，选择了 PZT 棒的长宽比。与致密 1-3 型 PZT 聚合物复合材料相比，所制造的复合材料具有更高的 HFOM 值（孔隙率为 12% 时为 4050(10-15 Pa)）。这项研究证明了有限元分析和 CIM 在设计高性能压电复合材料方面的有效性，并有望在未来得到广泛应用。

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来源期刊

Journal of The European Ceramic Society 工程技术-材料科学：硅酸盐

CiteScore

10.70

自引率

12.30%

发文量

863

审稿时长

35 days

期刊介绍： The Journal of the European Ceramic Society publishes the results of original research and reviews relating to ceramic materials. Papers of either an experimental or theoretical character will be welcomed on a fully international basis. The emphasis is on novel generic science concerning the relationships between processing, microstructure and properties of polycrystalline ceramics consolidated at high temperature. Papers may relate to any of the conventional categories of ceramic: structural, functional, traditional or composite. The central objective is to sustain a high standard of research quality by means of appropriate reviewing procedures.