Oriented piezo electric ceramics and ceramic/polymer composites

Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices

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310334, 310357, H01L 4108

Patent

active

057962073

ABSTRACT:
This invention relates to novel oriented piezoelectric ceramic and ceramic/polymer composites. More particularly, it provides a novel piezoelectric composite design wherein the ceramic piezoelectric phase is oriented at an angle with respect to the direction of applied stress, thus giving improved electromechanical properties.

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Kahn et al., "Calculations and Measurements of the Spatial Plezoelectric Response and of the d.sub.15 Parameter of PZT5A Ceramic"; J. Am. Ceram.
Batha; "Effect of piezoelectric rod orientation on optimum sensitivity"; SPIE Smart Structures and Materials Proceedings, pp. 294-299, 1993, No month.
A. Bandyopadhyay et al.; Processing of Piezocomposites by Fused Deposition Technique; Proceedings of Intl. Symposium in the Applications of Ferrdietrics, Aug. 1996. pp. 999-1002.

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