Schematic structure of (a) PFCs and (b) the RVE for the model in this work.
SEM micrographs of the microstructure of (a) (b) PZT/carbon stack in the green state, (c) sintered PZT fiber and (d) (e) PFCs.
Electrical impedance of the composite with different interlayer thicknesses: (a) 4 μm and (b) 0 μm.
High field free strain actuation performance of PFCs with different interlayer thicknesses: (a) 4 μm and (b) 0 μm.
The electric field distribution of PZT fiber centre parallel to fiber length with different interlayer thicknesses.
Effects of interlayer thickness on the electric field strength in the fiber and the microstrain of PFCs.
(a) Cross-section of PFCs with cracking locations, (b) the electric field distribution in the PZT fiber, and (c) Von Mises stress distribution in RVE.
(a) Peak value of Von Mises stress and maximum Z-electric field and (b) strain response of RVE for different electrode finger widths.
The strain and stress responses in comparison with RVE with 40 μm electrode finger width.
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