W. Sakamoto, R. Higuti, A.F.G. da Silva, J. A. Malmonge, L. F. Malmonge
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Calcium modified lead titanate/poly-ether-ether-ketone composite for acoustic emission sensors
Composites made of calcium modified lead titanate ceramic powder and poly(ether-ether-ketone) high performance polymer matrix were prepared in the film form using a hot press. The acoustic and electromechanical properties of the composites have been determined using the ultrasonic immersion technique and piezoelectric spectroscopy, respectively. The composite film with 60-40 vol.% PTCa/PEEK was tested as acoustic emission detector. Preliminary results shown that the piezo composite can be used as sensor to evaluate the behavior of materials.
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