Paper Title:
Influence of Strontium Ferrite on Properties of 0-3 Cement-Based Piezoelectric Composites
  Abstract

0-3 cement based piezoelectric composites were fabricated using sulphoaluminate cement as matrix by compressing technique method. The effects of strontium ferrite content on the piezoelectric properties, dielectric properties and acoustic impedance of the composites were studied. The results show that the piezoelectric strain constant d33 and piezoelectric voltage constant g33 of the composites increase gradually with increaing strontium ferrite content. When the strontium ferrite mass fraction is 0.4%, both of the piezoelectric strain constant d33 and piezoelectric voltage constant g33 of the composite have the maximum value, and the values are 16.6pC•N-1 and 31.4mV•m•N-1, which are 35% and 19% larger than that of the composite without strontium ferrite doped, respectively. With the strontium ferrite content increase, both of the dielectric constant εr and the dielectric loss tanδ of the composites increase. With the addition of strontium ferrite the acoustic impedance Z increases, but there is no obvious relation between the strontium ferrite content and Z.

  Info
Periodical
Key Engineering Materials (Volumes 400-402)
Edited by
Jingsi Huo, Yan Xiao, Zongjin Li and Shuaib Ahmad
Pages
125-129
DOI
10.4028/www.scientific.net/KEM.400-402.125
Citation
S. F. Huang, X. Li, F. T. Liu, Y. M. Liu, X. Cheng, Z. J. Li, "Influence of Strontium Ferrite on Properties of 0-3 Cement-Based Piezoelectric Composites", Key Engineering Materials, Vols. 400-402, pp. 125-129, 2009
Online since
October 2008
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