DocumentCode
322184
Title
Method for calculating nonlinear electromechanical coupling
Author
Leary, S.P. ; Pilgrim, S.M.
Author_Institution
New York State Coll. of Ceramics, Alfred Univ., NY, USA
Volume
1
fYear
1997
fDate
5-8 Oct 1997
Firstpage
541
Abstract
A general technique for calculating electromechanical coupling in linear and nonlinear electroactive materials at large applied electric fields and frequencies below resonance has been developed. Coupling for PMN relaxor ferroelectrics has been determined for both large ac drive fields (+/- 1.0 kV/mm) and for the dc-biased case (0.7 kV/mm +/- 0.3 kV/mm). Nominal values of coupling up to 0.53 were observed
Keywords
dielectric resonance; electromechanical effects; ferroelectric materials; lead compounds; PMN; PMN relaxor ferroelectrics; PbMgO3NbO3; coupling; dc-bias; large ac drive fields; large applied electric fields; linear electroactive materials; nonlinear electroactive materials; nonlinear electromechanical coupling; resonance; Capacitive sensors; Ceramics; Couplings; Dielectric materials; Electric fields; Frequency; Magnesium; Polarization; Relaxor ferroelectrics; Resonance;
fLanguage
English
Publisher
ieee
Conference_Titel
Ultrasonics Symposium, 1997. Proceedings., 1997 IEEE
Conference_Location
Toronto, Ont.
ISSN
1051-0117
Print_ISBN
0-7803-4153-8
Type
conf
DOI
10.1109/ULTSYM.1997.663079
Filename
663079
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