Transverse strain responses in the electrostrictive poly(vinylidene fluoride-trifluorethylene) copolymer

Z. Y. Cheng, T. B. Xu, Vivek Bharti, Shexi Wang, Qiming Zhang

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100 Scopus citations

Abstract

Large transverse strain S1 responses with a high elastic strain energy density for stretched poly(vinylidene fluoride-trifluorethylene) (PVDF-TrFE) copolymer film are investigated under a proper electron irradiation treatment condition. Results showed a ratio of |S1/S3| larger that 1 where S3 is the longitudinal strain which is in contrast with unstretched films which generate a relatively small transverse strain with a small ratio of |S1/S3| (approximately 0.25). It is also shown that in this copolymer system, the ratio of |S1/S3| can be varied over a broad range and that a large volume strain is observed in these films.

Original languageEnglish (US)
Pages (from-to)1901-1903
Number of pages3
JournalApplied Physics Letters
Volume74
Issue number13
DOIs
StatePublished - Mar 29 1999

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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