(Color online) (a) SEM micrograph and (b) photograph of sintered BNKLBT-1.5 fibers.
loops of BNKLBT fiber and disk.
(Color online) Photographs of 1-3 fiber/epoxy FP composites with different ceramics volume fractions (a) , (b) , (c) , (d) , and (e) , respectively.
(Color online) Photographs of 1-3 ceramic/epoxy DF composites with different ceramics volume fractions (a) , (b) , (c) , and (d) , respectively.
The calculated and experimental results of 1-3 piezocomposites include density, relative permittivity , piezoelectric strain constant , piezoelectric voltage constant , and electromechanical coupling coefficient (circle, FP composites; triangle, DF composites).
(Color online) The frequency-impedance/phase spectrum of a 1-3 ceramic/epoxy composites disks with (a) and (b) , respectively.
The properties of BNKLBT fibers, bulk samples, pure epoxy, and 1–3 ceramic/epoxy 1–3 composites with different ceramics volume fractions.
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