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High strength NiO-dispersed lead zirconate titanate (PZT) composites are successfully fabricated from NiO nanoparticle-coated PZT powders. Addition of NiO to a PZT matrix does not result in unexpected reaction phase, and some NiO is dissolved in PZT lattice. Microstructural observations reveal that fine NiO particles are homogeneously dispersed at the matrix boundaries and the matrix grain size is...
Piezoelectric PZT ceramics with small amount (0.1-1.0 wt.%) of oxides (Y 2 O 3 , MoO 3 , WO 3 ) were prepared by conventional sintering method. Small amount of second phase doped PZT ceramic with high fracture strength showed suitable piezoelectric properties for high power and high reliable actuator applications. Especially, the fracture strength of PZT/0.1 wt.% Y...
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