Actas de congresos
Calcium modified lead titanate/poly-ether-ether-ketone composite for acoustic emission sensors
Proceedings - International Symposium on Electrets, v. 2005, p. 400-403.
Universidade Estadual Paulista (UNESP)
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.