15 November 1996 Measurement of thickness and elastic properties of electroactive polymer films using plate wave dispersion data
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Abstract
In this paper, an ongoing investigation of plate wave dispersion measurement as a technique for indirect determination of the elastic properties and thickness of electroactive thin film polymers is described. Three polymer films were tested: a 1 mm thick s-PMMA film, and 80 micrometers and 230 micrometers thick polyethylene terephthalate films. The dispersion curves are measured, and a numerical algorithm is applied to recover the thickness and elastic constants of these films. Preliminary results show that the technique can be a viable gauging tool for electroactive thin film polymers.
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Yoseph Bar-Cohen, Yoseph Bar-Cohen, Shyh-Shiuh Lih, Shyh-Shiuh Lih, Anter El-Azab, Anter El-Azab, Ajit K. Mal, Ajit K. Mal, } "Measurement of thickness and elastic properties of electroactive polymer films using plate wave dispersion data", Proc. SPIE 2948, Nondestructive Evaluation for Process Control in Manufacturing, (15 November 1996); doi: 10.1117/12.259187; https://doi.org/10.1117/12.259187
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