期刊
CERAMICS INTERNATIONAL
卷 40, 期 1, 页码 1209-1213出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.ceramint.2013.05.118
关键词
Dielectric properties; Piezoelectric properties; Cement composites; Particle size
资金
- Higher Education Research Promotion and National Research University Project of Thailand, Office of the Higher Education Commission, through the Advanced Functional Materials Cluster of Khon Kaen University
- Thailand Research Fund (TRF) under the TRF Senior Research Scholar [RTA5480004]
- Royal Golden Jubilee PHD program [PHD/0352/2551]
0-3 Ba0.85Ca0.15Ti0.9Zr0.1O3 (BCTZO)-cement composites were prepared by normal mixing and pressing of Ordinary Portland cement and BCTZO particles with average sizes of 569.8 and 8.9 mu m. Three different composites were prepared with BCTZO to cement ratios of 30%, 50%, and 70% by volume. The effect of BCTZO particle size on the dielectric and piezoelectric properties of cement based 0-3 piezoelectric composites was investigated. The dielectric constant increases with both increasing BCTZO particle content and increasing BCTZO particle size. The piezoelectric properties were found to increase with the increasing BCTZO particle content and decreasing BCTZO particle size. It was found that a 70% BCTZO composite with an average particle size of 8.9 mu m produced good dielectric constant, tan delta and piezoelectric properties of 107, 0.09 and 52 pC/N, respectively. (C) 2013 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
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