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Bipolar piezoelectric fatigue of Bi(Zn0.5Ti0.5)O3-(Bi0.5K0.5)TiO3-(Bi0.5Na0.5)TiO3 Pb-free ceramics Public Deposited

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  • The piezoelectric fatigue behavior of Pb-free ceramics based on solid solutions of Bi(Zn₀.₅Ti₀.₅)O₃-(Bi₀.5K₀.₅)TiO₃-(Bi₀.₅Na₀.₅)TiO₃ was characterized at 50 kV/cm after 10⁶ bipolar cycles. Ferroelectric compositions containing 2.5% Bi(Zn₀.₅Ti₀.₅)O₃ exhibited only minor losses in maximum strain (~10%). In compositions with 5% Bi(Zn₀.₅Ti₀.₅)O₃ that exhibit large electric field-induced strains, the electromechanical strain actually increased 4%, exhibiting essentially fatigue free behavior. This finding demonstrates that these materials have excellent potential for demanding high cycle applications such as microelectromechanical systems actuators. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4738770]
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  • Patterson, E., & Cann, D. (2012). Bipolar piezoelectric fatigue of bi(Zn0.5Ti0.5)O-3-(Bi0.5K0.5)TiO3-(Bi0.5Na0.5)TiO3 pb-free ceramics. Applied Physics Letters, 101(4) doi: 10.1063/1.4738770
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  • 101
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  • 4
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  • description.provenance : Approved for entry into archive by Deborah Campbell(deborah.campbell@oregonstate.edu) on 2013-02-07T17:31:04Z (GMT) No. of bitstreams: 1 CannDavidPMechanicalIndustrialManufacturingEngineeringBipolarPiezoelectricFatique.pdf: 1406563 bytes, checksum: ab72983432c6dedefca6219c776c1ca8 (MD5)
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