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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.
© (1996) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Yoseph Bar-Cohen, Shyh-Shiuh Lih, Anter El-Azab, and 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); https://doi.org/10.1117/12.259187
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