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Electromechanical Properties of a Ceramic d31-Gradient Flextensional Actuator

Summary: Electromechanical Properties of a
Ceramic d31-Gradient Flextensional Actuator
Xiaoping Li,*,
James S. Vartuli,
David L. Milius,
Ilhan A. Aksay,*,
Wan Y. Shih,*,
Wei-Heng Shih*,
Department of Materials Engineering, Drexel University, Philadelphia, Pennsylvania 19104-2875 and Department of
Chemical Engineering and Princeton Materials Institute, Princeton University, Princeton, New Jersey 08544-5263
We examined the static axial displacement of a ceramic
d31-gradient flextensional transducer both experimentally and
theoretically. Two lead zirconate titanate systems, (PZT)/PZT
and PZT/ZnO, were studied. The PZT/PZT transducers con-
sisted of two PZT layers of different d31 coefficients. The
PZT/ZnO transducers consisted of a PZT and a ZnO layer.
The PZT/PZT transducers were of an inner-type dome struc-
ture. The PZT/ZnO transducers were either flat, or had an
inner- or outer-type dome structure by varying the thickness


Source: Aksay, Ilhan A. - Department of Chemical Engineering, Princeton University


Collections: Materials Science