Publicação: Calcium modified lead titanate/poly-ether-ether-ketone composite for acoustic emission sensors
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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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Acoustic emission sensors, Electromechanical properties, Lead titanatehigh performance polymer matrix, Piezoelectric spectroscopy, Acoustic emissions, Calcium, Chemical modification, Hot pressing, Lead compounds, Polyether ether ketones, Sensors, Composite films
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Proceedings - International Symposium on Electrets, v. 2005, p. 400-403.
