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Flexible, light weight and low cost electroactive coating has been fabricated by the dispersion of inorganic ferroelectric submicron particles in a polyurethane matrix. BaTiO 3 particles have a mean diameter of 300 nm. The poling process and the influence of volume fraction of BaTiO 3 on the piezoelectric activity of the coating have been reported. This spray coating has been realized on 1.6 × 1.6 m 2 poly(epoxy)/carbon fiber reinforced composite. Impact detection has been also performed. A well-known cross correlated algorithm has been successfully employed to localize impact in a 90 × 90 cm 2 area of the composite.
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Capsal et al. (2012) studied this question.
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