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
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