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Preparation and characterization of PBNN multilayer piezoelectric actuator

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4 Author(s)
D. R. Chen ; Inst. of Ceramics, Acad. Sinica, Shanghai, China ; M. G. Zhu ; W. Z. Zhang ; G. R. Li

The preparation and characterization of multilayer actuators with fifty layers (100 μm in thickness) of piezoelectric [(Pb(1-x/)Ba sub x/)6-y(NaLi)yNb10O30 ] (PBNN) were reported, which were prepared by tape-casting and cofired with internal Pd30+Ag70 electrodes. The PBNN wafers prepared by the tape-casting technique were compared with those prepared by conventional dry-pressure techniques. Delaminations occurring in the layers of some actuators were observed and discussed. The obtained high linearity and low hysteresis in the displacement-applied field, the symmetric displacement under positive and negative applied field, were discussed in relation to the crystal and domain structure

Published in:

Electrets, 1996. (ISE 9), 9th International Symposium on

Date of Conference:

25-30 Sep 1996