Abstract
To improve the compatibility between the sensor material and civil engineering structural material, a new functional cement-based composite for smart structure applications has been studied. Piezoelectric lead zirconate titanate (PZT) fibres, fabricated using a slurry method, are embedded in a cement matrix to form PZT/cement 1-3 composites. By incorporating PZT fibres into the cement matrix, composites with low PZT volume fractions ranging from 0.05 to 0.22 have been fabricated. The 1-3 composites have good piezoelectric properties that agree quite well with theoretical modeling. The thickness electromechanical coupling coefficient of the composites could reach ∼0.5 even for low volume fraction of PZT. These composites have potential to be used as sensors in civil structure health monitoring systems.
| Original language | English |
|---|---|
| Pages (from-to) | 724-728 |
| Number of pages | 5 |
| Journal | Journal of Electroceramics |
| Volume | 21 |
| Issue number | 1-4 SPEC. ISS. |
| DOIs | |
| Publication status | Published - 1 Dec 2008 |
Keywords
- 1-3 Composites
- Cement
- PZT
ASJC Scopus subject areas
- Ceramics and Composites
- Electronic, Optical and Magnetic Materials
- Materials Chemistry
- Condensed Matter Physics
- Electrical and Electronic Engineering
- Mechanics of Materials
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