PHB/PZT composite
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Flexible standing films of piezoelectric composite made of lead zirconate titanate (PZT) ceramic powder and Poly(3-hydroxybutyrate) (PHB) in powder form were obtained by mixing both polymers mechanically and pressed at 180°C. The piezoelectric coefficient d33 were investigated as function of PZT content, poling temperature and electric field. The highest value for d 33 coefficient was around 6pC/N for 50 vol% of PZT content in the composite. As PHB is a biodegradable polymer the composite has potential application as sensor minimizing the environmental problems.
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Biodegradable polymers, Composite materials, Electric fields, Lead compounds, Polymer films, Ceramic powder, Lead zirconate titanate (PZT), Piezoelectric coefficient, Poling temperature, Piezoelectric ceramics
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Inglês
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Proceedings - International Symposium on Electrets, v. 2005, p. 172-173.
