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Piezoelectric Sensors: Design and Application

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Acoustics and Vibrations".

Deadline for manuscript submissions: closed (20 December 2025) | Viewed by 905

Special Issue Editors


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Guest Editor
Institute of Acoustics, Chinese Academy of Sciences, Beijing 100190, China
Interests: surface acoustic wave devices; wireless passive sensor; radio-frequency filter; piezoelectric metamaterial; acoustic microfluidic devices

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Guest Editor
Laboratory of Research on Software-Intensive Technologies (LIST), Atomic Energy and Alternative Energies Commission (CEA), Paris-Saclay University, F-91120 Palaiseau, France
Interests: ultrasonics; nondestructive testing; wave propagation in solids and complex media; acoustic/elastic wave scattering and diffraction; surface acoustic waves; ray tracing; high frequency modelling; transducers; acoustic signal processing; noise analysis; artificial intelligence
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Special Issue Information

Dear Colleagues,

As piezoelectric sensors have many advantages, they have been widely used in many areas such as the intelligent industry, aerospace, medical imaging and the deep-water exploration. With the advancement of a new round of scientific and technological revolution, some new technologies and ideas are emerging and are being applied to piezoelectric sensors. To better grasp the current local and international development trends in piezoelectric sensors, promote the foundational research and technological innovation of piezoelectric sensors, and deepen the academic exchanges on piezoelectric sensors, we are organizing a Special Issue titled “Piezoelectric Sensors: Design and Application”.

Dr. Yahui Tian
Prof. Dr. Michel Darmon
Guest Editors

Manuscript Submission Information

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Keywords

  • bulk acoustic wave sensors
  • surface acoustic wave sensors
  • resonant sensors
  • Lamb acoustic wave sensors
  • piezoelctric thin-film sensors

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Published Papers (1 paper)

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Research

20 pages, 3920 KB  
Article
Long-Term Residual Stress Monitoring via Surface Acoustic Waves Using Piezoelectric Patch Transducers
by Marcel Ruetz, Mohsen Rezaei, Maximilian Pfeiffer, Sven Eck, Jürgen Maierhofer and Hans-Peter Gänser
Appl. Sci. 2025, 15(20), 11132; https://doi.org/10.3390/app152011132 - 17 Oct 2025
Viewed by 452
Abstract
Residual stresses play a crucial role in the maintenance and longevity of engineering structures. However, continuous monitoring of these stresses remains a challenge due to cost, implementation complexity, and reliability concerns. The present contribution proposes a novel method for continuous long-term residual stress [...] Read more.
Residual stresses play a crucial role in the maintenance and longevity of engineering structures. However, continuous monitoring of these stresses remains a challenge due to cost, implementation complexity, and reliability concerns. The present contribution proposes a novel method for continuous long-term residual stress monitoring by tracking the effect of residual stress changes on the propagation velocity of surface acoustic waves (SAWs) due to the acoustoelastic effect via a fixed setup of piezoelectric patch transducers (PETs). The applicability of patch transducers to stress measurement using SAW was experimentally validated using tensile and bending tests on 25CrMo4 (1.7218) steel specimens. The tensile tests exhibited a consistent decrease in wave velocity with increasing stress, enabling straightforward determination of the acoustoelastic coefficient (AEC). The bending tests confirmed the method’s applicability, highlighting the need for multiple excitation frequencies to improve reliability and detect inconsistencies. Finally, it is briefly outlined how to separate residual and load stresses during long-term measurements. The results demonstrate that this approach provides a cost-effective solution for continuous monitoring of residual stresses in metallic materials, offering potential applications in structural health monitoring and predictive maintenance. Full article
(This article belongs to the Special Issue Piezoelectric Sensors: Design and Application)
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