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Relaxor/Ferroelectric Composites: A Solution in the Quest for Practically Viable Lead-Free Incipient Piezoceramics

机译:弛豫/铁电复合材料:寻求切实可行的无铅初始压电陶瓷的解决方案

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摘要

Recently developed lead-free incipient piezoceramics are promising candidates for off-resonance actuator applications with their exceptionally large electromechanical strains. Their commercialization currently faces two major challenges: high electric field required for activating the large strains and large strain hysteresis. It is demonstrated that design of a relaxor/ferroelec-tric composite provides a highly effective way to resolve both challenges. Experimental results in conjunction with numerical simulations provide key parameters for the development of viable incipient piezoceramics.
机译:最近开发的无铅压电陶瓷具有超大的机电应变,是非共振执行器应用的有希望的候选者。它们的商业化目前面临两个主要挑战:激活大应变所需的高电场和大应变滞后。事实证明,弛豫/铁电复合材料的设计提供了解决这两个难题的高效方法。实验结果与数值模拟相结合,为开发可行的初始压电陶瓷提供了关键参数。

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  • 来源
    《Advanced Functional Materials》 |2014年第3期|356-362|共7页
  • 作者单位

    Department of Materials and Geoscience Technische Universitaet Darmstadt Petersenstr. 23, 64287, Germany;

    Department of Materials and Geoscience Technische Universitaet Darmstadt Petersenstr. 23, 64287, Germany;

    Department of Materials and Geoscience Technische Universitaet Darmstadt Petersenstr. 23, 64287, Germany;

    Department of Materials and Geoscience Technische Universitaet Darmstadt Petersenstr. 23, 64287, Germany;

    Department of Materials and Geoscience Technische Universitaet Darmstadt Petersenstr. 23, 64287, Germany;

    Department of Materials and Geoscience Technische Universitaet Darmstadt Petersenstr. 23, 64287, Germany;

    Department of Materials and Geoscience Technische Universitaet Darmstadt Petersenstr. 23, 64287, Germany;

    Korea Electrotechnology Research Institute Changwon, 641-120, Republic of Korea;

    School of Materials Science and Engineering University of Ulsan Ulsan, 680-749, Republic of Korea;

    Department of Materials and Geoscience Technische Universitaet Darmstadt Petersenstr. 23, 64287, Germany;

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