| Issue |
Matériaux & Techniques
Volume 89, 2001
“Intelligent” materials and systems
|
|
|---|---|---|
| Page(s) | 24 - 26 | |
| DOI | https://doi.org/10.1051/mattech/200189120024s | |
| Published online | 21 June 2017 | |
The piezoelectric implant: its applications to the in situ monitoring of materials
G.E.M.P.P.M., UMR CNRS 5510, Institut National des Sciences Appliquées, Villeurbanne, France
When a piezoelectric element is inserted in a medium, the viscoelastic properties of this medium can be deduced from the measurement of the piezoelectric impedance of this insert by means of an optimisation technique. Previous laboratory developed studies have validated an original method enabling the in situ real time health monitoring of a composite structure. In order to extend such a method from laboratory conditions to the industrial situation, it is necessary to present different application fields of such an original method and to consider imperfections, as non correct positioning or bonding defect of the ceramic plate in the structure.
© SIRPE 2001
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