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Increasing concern surrounding the use of lead in consumer products has stimulated research to identify candidates to replace lead-based materials used in many commercial applications. To be integrated into commercial products; however, a lead-free replacement must be fabricated using common industrial techniques while maintaining dielectric properties equivalent to the current lead-based systems...
The investigation of lead-free piezoelectric ceramic compositions has recently gained an increased level of interest due to the efforts to reduce lead based components. The most widely used piezoelectric/ferroelectric ceramic material today, including specialized ceramics for military applications (ex. sonar), consists of PbTiO3-PbZrO3 (i.e. PZT-system). It has become imperative to integrate a processing...
Lead zirconate titanate (PZT) ceramics near the morphotropic phase boundary have been the backbone materials for piezoelectric applications for more than 50 years. The electro-mechanical responses for these materials have been well studied. In this study, we investigated the electro-mechanical behavior of two zirconia-rich PZT compositions, with and without tin (Sn) modification. These materials,...
The target of this work is to develop an advanced manufacturing process that results in a bulk polycrystalline electroceramic component through a texture induced forming method. The technique produces a bulk ceramic component that exhibits enhanced macroscopic properties when compared to a traditional electroceramic material that has electrically induced ferroelectric texture or crystallographic texture...
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