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High-power performance enhancement in PZT-based piezoceramics via hot-pressing

Author

Listed:
  • Wan-Ting Cao

    (Beijing University of Posts and Telecommunications
    School of Materials Science and Engineering Tsinghua University)

  • Ze Xu

    (School of Materials Science and Engineering Tsinghua University)

  • Zhixiang Zhu

    (Global Energy Interconnection Research Institute Europe GmbH
    China Electric Power Research Institute)

  • Zilong Geng

    (Beijing University of Technology)

  • Jing-Tong Lu

    (School of Materials Science and Engineering Tsinghua University)

  • Ziqing Zhong

    (School of Materials Science and Engineering Tsinghua University)

  • Hao-Feng Huang

    (School of Materials Science and Engineering Tsinghua University)

  • Jia-Xin Liu

    (School of Materials Science and Engineering Tsinghua University)

  • Yuqi Jiang

    (School of Materials Science and Engineering Tsinghua University)

  • Yi-Xuan Liu

    (School of Materials Science and Engineering Tsinghua University)

  • Weiwei Gao

    (School of Materials Science and Engineering Tsinghua University)

  • Dongze Zhu

    (School of Materials Science and Engineering Tsinghua University)

  • Kai Huang

    (Beijing University of Posts and Telecommunications)

  • Mupeng Zheng

    (Beijing University of Technology)

  • Ke Bi

    (Beijing University of Posts and Telecommunications)

  • Ke Wang

    (School of Materials Science and Engineering Tsinghua University)

Abstract

Piezoelectric ceramics based on lead zirconate titanate are widely used in sensors, actuators, and transducers, but achieving high density and reliable performance for high-power applications remains a major challenge. This study explores optimization of high-power performance through hot-pressing. The combined effect of external pressure and sintering aids reduces the sintering temperature from 1175 °C to 900 °C, minimizing lead volatilization while promoting densification. Sintering in an inert atmosphere generates oxygen vacancies that act as domain-pinning centers, thereby enhancing the stability of piezoelectric properties under high-power conditions. Hot-pressed ceramics reach a maximum vibration velocity of 2.5 m/s, compared with 1.7 m/s for conventionally sintered samples, and the mechanical quality factor remains far more stable at elevated vibration levels. These results provide a practical pathway to improve the durability, efficiency, and reliability of piezoelectric devices in demanding high-power applications.

Suggested Citation

  • Wan-Ting Cao & Ze Xu & Zhixiang Zhu & Zilong Geng & Jing-Tong Lu & Ziqing Zhong & Hao-Feng Huang & Jia-Xin Liu & Yuqi Jiang & Yi-Xuan Liu & Weiwei Gao & Dongze Zhu & Kai Huang & Mupeng Zheng & Ke Bi &, 2025. "High-power performance enhancement in PZT-based piezoceramics via hot-pressing," Nature Communications, Nature, vol. 16(1), pages 1-8, December.
    • Handle: RePEc:nat:natcom:v:16:y:2025:i:1:d:10.1038_s41467-025-64752-w
    DOI: 10.1038/s41467-025-64752-w
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    References listed on IDEAS

    as
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