Advances in Ceramics - Electric and Magnetic Ceramics, by Edited by: Assoc. Costas Sikalidis

By Edited by: Assoc. Costas Sikalidis

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9B, (September 2003), pp. ; Shaikh, A. S. & Vest, R. W. (1989). High K BaTiO3 films from metalloorganic precursors. IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, Vol. 36, No. 3, (May 1989), pp. 307-312, ISSN 08853010. Yu, Z. , (2002) Piezoelectric and strain behavior of Ba(Zr1-xZrx)O3 ceramics, Journal of Applied Physics, Vol. 92, (August 2002) pp. 1489-1493, ISSN 00218979 Zhang, B. P. (2006) Compositional dependence of piezoelectric properties in NaxK1-xNbO3 lead-free ceramics prepared by spark plasma sintering, Journal of the American Ceramic Society, Vol.

To reduce it, the actuator can be produced from several layers. From a practical point of view, only a small number of layers will be needed. Integrating a MAE into this planar actuator can be done in several ways. An important distinguishing feature of an MAE is the integration in the same plane as the actuator or generating motion perpendicular to this plane. Fig. 3. Combination of Elements Integrated Piezoceramics as a Base of Intelligent Actuators 27 Planar systems offer the advantage that all components are located in the same physical plane.

That promise a better compromise between force and motion but with the need for a more complex assembly and much higher cost. Fig. 2. Planar piezoactuator To adapt actuator characteristics to the requirements of applications, motion amplification systems (MAS) can be used (Kasper, Heinemann und Wagner 1998), (Kasper 2002). In this paper the focus is set on mechanical solutions, as they offer a better way of integration into ceramic structures. Mechanical MAS in many cases utilize implementations of the law of lever 26 Advances in Ceramics – Electric and Magnetic Ceramics, Bioceramics, Ceramics and Environment F1 ⋅ l 1 = F2 ⋅ l 2 und x1 x 2 = l1 l2 (7) where F is force, x is motion, l is the effective lever length and index l means the primary, index 2 the secondary side of the lever.

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