Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/15683
Title: Cymbal actuator fabricated using (Na0.46K0.46Li 0.08)NbO3 lead-free piezoceramic
Authors: Wang, XX
Or, SW 
Lam, KH
Chan, HLW 
Choy, PK
Liu, PCK
Keywords: Cymbal actuator
Lead-free piezoceramic
NKLN8
PZT
Issue Date: 2006
Publisher: Springer
Source: Journal of electroceramics, 2006, v. 16, no. 4, p. 385-388 How to cite?
Journal: Journal of electroceramics 
Abstract: (Na0.46K0.46Li0.08)NbO3 (NKLN8) lead-free piezoceramic was prepared by a mixed oxide route. The ceramic showed a single phase of orthorhombic perovskite structure at room temperature and a high Curie temperature of ∼430°C. A cymbal actuator using NKLN8 as the actuation element and titanium alloy as the endcaps was fabricated and characterized. A similar actuator with traditional Pb(Zr,Ti)O3 (PZT) piezoceramic was also constructed for comparison. The results showed that the NKLN8 actuator has a higher fundamental resonance frequency of 107.1 kHz and a faster response of 9.3 μs with a comparable effective coupling coefficient of 0.15 at the expense of a lower strain coefficient of 1.9 nm/V. The observed actuator performance was discussed in relation to the ceramic properties.
URI: http://hdl.handle.net/10397/15683
ISSN: 1385-3449
EISSN: 1573-8663
DOI: 10.1007/s10832-006-9884-2
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