Abstract
A lead-free piezoelectric ceramic binary system based on bismuth sodium titanate
(Bi0.5Na0.5)TiO3 (BNT)-bismuth potassium titanate (Bi0.5K0.5)TiO3 (BKT) was synthesized by
conventional mixed-oxide technique. The XRD analysis showed that the rhombohedral-tetragonal
morphotropic phase boundary (MPB) of the Bi0.5 (Na1-xKx)0.5 TiO3 system was in the composition range
of x = 0.16 ~ 0.20. In addition, the piezoelectric properties of this system were also investigated. It was
indicated that the piezoelectric properties are better with the compositions near the rhombohedral phase
within the MPB than the compositions near the tetragonal phase.
Publisher
Trans Tech Publications, Ltd.
Subject
Mechanical Engineering,Mechanics of Materials,General Materials Science
Cited by
66 articles.
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