Mechanical constitutive behavior and exceptional blocking force of lead-free BZT-xBCT piezoceramics

Beitrag in einer Fachzeitschrift


Details zur Publikation

Autor(en): Brandt DR, Acosta M, Koruza J, Webber K
Zeitschrift: Journal of Applied Physics
Verlag: American Institute of Physics (AIP)
Jahr der Veröffentlichung: 2014
Band: 115
ISSN: 0021-8979
Sprache: Englisch


Abstract


The free strain during unipolar electrical activation and the blocking stress are important figures of merit for actuator applications. The lead-free (1 - x)Ba(Zr0.2Ti0.8)O-3-x(Ba0.7Ca0.3)TiO3 (BZT-xBCT) system has been shown to display exceptional unipolar strain at room temperature, making it very attractive as an electroactive material for large displacement, low frequency actuation systems. In this work, the temperature-and composition-dependent blocking stress is measured with the proportional loading method. It was found that BZT-xBCT outperformed Pb(Zr1-xTix)O-3 and Bi1/2Na1/2TiO3-based ceramics for electric fields up to 2 kV/mm. (C) 2014 AIP Publishing LLC.



FAU-Autoren / FAU-Herausgeber

Webber, Kyle Prof.
Professur für Werkstoffwissenschaften (Funktionskeramik)


Autor(en) der externen Einrichtung(en)
Technische Universität Darmstadt


Zitierweisen

APA:
Brandt, D.R., Acosta, M., Koruza, J., & Webber, K. (2014). Mechanical constitutive behavior and exceptional blocking force of lead-free BZT-xBCT piezoceramics. Journal of Applied Physics, 115. https://dx.doi.org/10.1063/1.4879395

MLA:
Brandt, David RJ, et al. "Mechanical constitutive behavior and exceptional blocking force of lead-free BZT-xBCT piezoceramics." Journal of Applied Physics 115 (2014).

BibTeX: 

Zuletzt aktualisiert 2018-11-08 um 01:41