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Title: Effect of dwell time during sintering on piezoelectric properties of (Ba0.85Ca0.15)(Ti0.90Zr0.10)O 3 lead-free ceramics
Authors: Wu, J.
Xiao, D.
Wu, W.
Zhu, J.
Wang, J. 
Keywords: Dwell time
Lead-free piezoelectric ceramic
Piezoelectric properties
Issue Date: 13-Oct-2011
Citation: Wu, J., Xiao, D., Wu, W., Zhu, J., Wang, J. (2011-10-13). Effect of dwell time during sintering on piezoelectric properties of (Ba0.85Ca0.15)(Ti0.90Zr0.10)O 3 lead-free ceramics. Journal of Alloys and Compounds 509 (41) : L359-L361. ScholarBank@NUS Repository.
Abstract: In this letter, the effect of dwell time (1-6 h) during sintering on the piezoelectric properties is investigated for the (Ba0.85Ca 0.15)(Ti0.90Zr0.10)O3 ceramics. All ceramics sintered at different dwell time are of a pure phase, and its structure distortion is induced by too long dwell time. Their dielectric constant and remanent polarization increases and the coercive field decreases with increasing dwell time. An enhanced piezoelectric behavior (d33 ∼ 492 pC/N and kp ∼ 51.5%) is demonstrated for the BCTZ ceramic with an optimum dwell time of 5 h, owing to the structure distortion together with a dense microstructure and a larger grain size. © 2011 Elsevier B.V.
Source Title: Journal of Alloys and Compounds
ISSN: 09258388
DOI: 10.1016/j.jallcom.2011.08.024
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