DocumentCode :
1831559
Title :
Acoustic emission sensors based on ferroelectric composites
Author :
Inácio, P. ; Dias, C.J. ; Marat-Mendes, J.N.
Author_Institution :
Fac. de Ciencias e Tecnologia, Lisbon Univ., Portugal
fYear :
1999
fDate :
1999
Firstpage :
747
Lastpage :
750
Abstract :
The authors develop an acoustic emission sensor using a Ca-modified PbTiO3 ceramic-PVDF copolymer composite as piezoelectric element. The sensor´s experimental impedance and frequency bandwidth are determined and it is concluded that the device can operate over a large frequency range
Keywords :
acoustic impedance; acoustic transducers; calcium; ceramics; ferroelectric materials; filled polymers; lead compounds; piezoelectric transducers; polymer blends; PbTiO3:Ca; acoustic emission sensors; ceramic-PVDF copolymer composite; ferroelectric composites; frequency bandwidth; impedance; piezoelectric element; Acoustic emission; Acoustic materials; Acoustic sensors; Acoustic signal detection; Aluminum; Composite materials; Ferroelectric materials; Piezoelectric films; Resonance; Resonant frequency;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Electrets, 1999. ISE 10. Proceedings. 10th International Symposium on
Conference_Location :
Athens
Print_ISBN :
0-7803-5025-1
Type :
conf
DOI :
10.1109/ISE.1999.832152
Filename :
832152
Link To Document :
https://search.ricest.ac.ir/dl/search/defaultta.aspx?DTC=49&DC=1831559
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