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SOLID STATE SINTERING PREPARED 0.935(Bi0.5Na0.5)TiO3-0.065BaTiO3 LEAD FREE CERAMICS: EFFECT OF POLING CONDITIONS

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Author(s): HAMZA LIDJICI | FARIDA HOBAR | MOHAMED RGUITI | CHRISTIAN COURTOIS | ANNE LERICHE

Journal: Ceramics-Silikáty
ISSN 0862-5468

Volume: 56;
Issue: 1;
Start page: 36;
Date: 2012;
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Keywords: Lead free ceramics | Poling conditions | Piezoelectric properties

ABSTRACT
In this work , the influence of poling conditions (poling field, poling temperature and poling time) on the piezoelectric properties of 0.935(Bi0.5Na0.5) TiO3-0.065BaTiO3 (BNT6.5BT) lead-free ceramics was examined. Piezoelectric properties like piezoelectric constant (d33) and electromechanical factors (Kp ,Kt) depend on poling field and poling temperature, whereas different poling times, in the 5-30 min range, were not observed to have significant effect on the piezoelectric properties.
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