Summary
The piezoelectric strain coefficient d13 of stretched and unstretched acrylonitrile/methylacrylate copolymer films has been investigated as a function of poling conditions. The maximtun d31 values obtained for stretched and unstretched films were around 3 and 0.85 pC/N, respectively. The time stability of piezoelectricity is relatively low.
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von Berlepsch, H., Künstler, W. Piezoelectricity in acrylonitrile/methylacrylate copolymer. Polymer Bulletin 19, 305–309 (1988). https://doi.org/10.1007/BF00255388
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DOI: https://doi.org/10.1007/BF00255388