Investigating peculiarities of piezoelectric detection methods for acoustic plate waves in material characterisation applications

L. Claes, H. Schmiegel, C. Grünsteidl, S. Johannesmann, M. Webersen, B. Henning, Tm - Technisches Messen (2021).

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Journal Article | Published | English
Alternative Title
Untersuchung von Eigenheiten piezoelektrischer Detektionsmethoden für akustische Plattenwellen zur Materialcharakterisierung
Abstract
Acoustic waves in plates have proven a viable tool for testing and material characterisation purposes. There are a multitude of options for excitation and detection of theses waves, such as optical and piezoelectric systems. While optical systems, with thermoelastic excitation and interferometric detection, have the benefit of being contactless, they usually require rather complex and expensive experimental setups. Piezoelectric systems are more easily realised but require direct contact with the specimen and usually have a limited bandwidth, especially in case of piezoelectric excitation. In this work, the authors compare the properties of piezoelectric and optical detection methods for broad-band acoustic signals. The shape (e. g. the displacement) of a propagating plate wave is given by its frequency and wave number, allowing to investigate correlations between mode shapes and received signal strengths. This is aided by evaluations in normalised frequency and wavenumber space, facilitating comparisons of different specimens. Further, the authors explore possibilities to utilise the specific properties of the detection methods to determine acoustic material parameters.
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Claes L, Schmiegel H, Grünsteidl C, Johannesmann S, Webersen M, Henning B. Investigating peculiarities of piezoelectric detection methods for acoustic plate waves in material characterisation applications. tm - Technisches Messen. 2021. doi:10.1515/teme-2020-0098
Claes, L., Schmiegel, H., Grünsteidl, C., Johannesmann, S., Webersen, M., & Henning, B. (2021). Investigating peculiarities of piezoelectric detection methods for acoustic plate waves in material characterisation applications. Tm - Technisches Messen. https://doi.org/10.1515/teme-2020-0098
@article{Claes_Schmiegel_Grünsteidl_Johannesmann_Webersen_Henning_2021, title={Investigating peculiarities of piezoelectric detection methods for acoustic plate waves in material characterisation applications}, DOI={10.1515/teme-2020-0098}, journal={tm - Technisches Messen}, author={Claes, Leander and Schmiegel, Hanna and Grünsteidl, Clemens and Johannesmann, Sarah and Webersen, Manuel and Henning, Bernd}, year={2021} }
Claes, Leander, Hanna Schmiegel, Clemens Grünsteidl, Sarah Johannesmann, Manuel Webersen, and Bernd Henning. “Investigating Peculiarities of Piezoelectric Detection Methods for Acoustic Plate Waves in Material Characterisation Applications.” Tm - Technisches Messen, 2021. https://doi.org/10.1515/teme-2020-0098.
L. Claes, H. Schmiegel, C. Grünsteidl, S. Johannesmann, M. Webersen, and B. Henning, “Investigating peculiarities of piezoelectric detection methods for acoustic plate waves in material characterisation applications,” tm - Technisches Messen, 2021.
Claes, Leander, et al. “Investigating Peculiarities of Piezoelectric Detection Methods for Acoustic Plate Waves in Material Characterisation Applications.” Tm - Technisches Messen, 2021, doi:10.1515/teme-2020-0098.

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