Piezoelectric properties of cement based/PVDF/PZT composites

New and novel cement-based piezoelectric composites were fabricated using lead zirconate titanate (PZT), polyvinylidene fluoride (PVDF) and Portland cement (PC). Dielectric constant (ε33), piezoelectric charge coefficient (d33) and piezoelectric voltage coefficient (g33) of the PZT–PVDF–PC composite...

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Bibliographic Details
Published in:Materials letters 2014-09, Vol.130, p.146-149
Main Authors: Jaitanong, N., Yimnirun, R., Zeng, H.R., Li, G.R., Yin, Q.R., Chaipanich, A.
Format: Article
Language:English
Subjects:
Cement
Cements
Charge
Coefficients
Composite
Electric potential
Lead zirconate titanates
Piezoelectric coefficient
Piezoelectricity
Polyvinylidene fluorides
PVDF
PZT
Voltage
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Summary:New and novel cement-based piezoelectric composites were fabricated using lead zirconate titanate (PZT), polyvinylidene fluoride (PVDF) and Portland cement (PC). Dielectric constant (ε33), piezoelectric charge coefficient (d33) and piezoelectric voltage coefficient (g33) of the PZT–PVDF–PC composites with 50vol% PZT and 1–20vol% PVDF content were investigated. The results indicated that PVDF as a third phase was found to enhance piezoelectric properties where piezoelectric charge coefficient (d33) and piezoelectric voltage coefficient (g33) increased to 24pC/N and 25.7×10−3Vm/N respectively when PVDF was added at 5 vol%. Moreover, a significant reduction in the poling time was found when PVDF was incorporated in the 0–3 composites. •Novel cement based/PVDF/PZT composites were fabricated.•Significant reduction in poling time was found in 0–3 composites.•Increased piezoelectric charge coefficient was found at 5% PVDF.•High and increased piezoelectric voltage coefficient was found.
ISSN:0167-577X
1873-4979
DOI:10.1016/j.matlet.2014.05.040