Temperature dependence of the mechanical and electrical properties of soft-doped lead zirconate titanate under compression and impact

被引：1
作者：
Wang, RuiZhi [1 ,2 ]
Wang, ZhiQiang [1 ]
Tang, EnLing [1 ,2 ]
Peng, Hui [3 ]
Yang, GuoLai [2 ]
He, LiPing [1 ]
Chen, Chuang [1 ]
Han, YaFei [1 ]
机构：
[1] Shenyang Ligong Univ, Key Lab Transient Phys Mech & Energy Convers Mat L, Shenyang 110159, Peoples R China
[2] Nanjing Univ Sci & Technol, Sch Mech Engn, Nanjing 210094, Peoples R China
[3] China Acad Engn Phys, Inst Fluid Phys, Mianyang 621999, Peoples R China
来源：
SCIENCE CHINA-TECHNOLOGICAL SCIENCES | 2023年 / 66卷 / 12期
基金：
中国国家自然科学基金;
关键词：
PZT; impact; temperature dependence; fracture strength; dynamic piezoelectric coefficient; PIEZOELECTRIC PROPERTIES; FERROELASTIC BEHAVIOR; DIELECTRIC-PROPERTIES; GRAIN-SIZE; CERAMICS; STRESS; STRENGTH; FIELD; HARD;
D O I：
10.1007/s11431-023-2402-2
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Compared to a quasistatic environment, the electromechanical response of piezoelectric ceramics exhibits a considerably nonlinear behavior when subjected to impact. If the effect of ambient temperature is further considered, then the situation becomes more unpredictable. The thermal, mechanical, and electrical properties of soft-doped piezoelectric ceramics (PZT-5H) under compression and impact conditions were analyzed in the temperature range of -60 degrees C to 200 degrees C (below Curie temperature). The experimental results indicate that the fracture strength of PZT-5H has an extreme value near room temperature. The dynamic piezoelectric coefficient is strongly temperature dependent and has a maximum value near 100 degrees C because of the "electric devil's staircase effect" between polarization and domain switching threshold. These temperature-dependent data will enable the accurate prediction of the dynamic performance of devices by computer simulation.
引用
收藏
页码：3562 / 3573
页数：12
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