Ferroelectric ceramic/polymer composites and their applications

M. P. Wenger, P. Blanas, C. J. Dias, R. J. Shuford, D. K. Dasgupta

Research output: Contribution to journalArticlepeer-review

13 Citations (Scopus)


Thin composite films of calcium modified lead titanate (PTCa)/copolymer of vinylidene fluoride-trifluoroethylene P(VDF-TrFE) and PTCa/Epoxy have been produced and their piezoelectric d33- and electromechanical coupling coefficient kt, have been measured. These composite sensors have been used to monitor strain induced in a glass/epoxy laminate produced by cyclic loading. PTCa/P(VDF-TrFE) was embedded in a laminate structure to detect acoustic emission (AE) signals generated on the surface of the laminate by a conventional lead-break technique. The results show that the composite sensor is able to detect AE signals over a wide bandwidth:.

Original languageEnglish
Pages (from-to)75-86
Number of pages12
Issue number1-4
Publication statusPublished - 1996


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