Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/25005
Title: Study of compressive type accelerometer based on lead-free BNKBT piezoceramics
Authors: Choy, SH
Wang, XX
Chan, HLW 
Choy, CL 
Issue Date: 2006
Publisher: Springer
Source: Applied physics. A, Materials science & processing, 2006, v. 82, no. 4 SPEC. ISS., p. 715-718 How to cite?
Journal: Applied physics. A, Materials science & processing 
Abstract: Lead-free piezoelectric 0.90(Bi1/2Na1/2)TiO 3-0.05(Bi1/2K1/2)TiO3-0.05BaTiO 3 ceramics(abbreviated as BNKBT-5) rings were fabricated using a conventional mixed oxide method. The ceramics have a piezoelectric constant d33=168 pC/N, electromechanical coupling factors kp=0.313 and kt=0.487. The BNKBT lead-free ceramic rings were used as the transduction elements in a compressive type accelerometer and its performance compared with a lead zirconate titanate (PZT) APC 840 ceramic accelerometer with similar structure. The lead-free accelerometer shows good performance and has a broader frequency response compared to the lead-based PZT accelerometer.
URI: http://hdl.handle.net/10397/25005
ISSN: 0947-8396
EISSN: 1432-0630
DOI: 10.1007/s00339-005-3421-z
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