Abstract

In this work, complex studies of the elastic dispersion and losses in porous piezoceramics based on solid solutions of the PZT system were carried out. Full set of complex constants of porous ceramics with different porosity and their frequency dependences were measured using the piezoelectric resonance analysis method.The microstructural and physical mechanisms of elastic losses and dispersion in porous piezoceramics were considered.

中文翻译：

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多孔压电陶瓷中的弹性损失和分散

摘要

在这项工作中，对基于PZT系统固溶体的多孔压电陶瓷中的弹性分散和损耗进行了复杂的研究。利用压电共振分析法测量了不同孔隙度的多孔陶瓷的全套复数常数及其频率依赖性，研究了多孔压电陶瓷中弹性损失和分散的微观结构和物理机理。