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Poling process and piezoelectric properties of lead zirconate titanate/sulphoaluminate cement composites
The sulphoaluminate cement was, for the first time, used to fabricate 0-3 piezoelectric composites by compressing technique. The dependences of piezoelectric properties of composites on poling conditions, particle size and contents of lead zirconate titanate (PZT) were discussed especially. The results show that the piezoelectric properties of composites are improved by increasing poling field E, poling time t and poling temperature T. The optimum E, t and T are 4.0 kV/mm, 45 min and 120 deg C respectively in this work. The piezoelectric strain factor d(33) is found to increase with increasing particle size of PZT. When the particle size of PZT is larger than about 130 mikrometer, the d(33) is nearly independent of particle size. The d(33), g(33) and the electromechanical coupling coefficient K(p), K(t) of composites increase rapidly with increasing content of PZT. When the content of PZT reaches 85%, K(p) and K(t) are 28.54 and 28.19%, respectively.
Poling process and piezoelectric properties of lead zirconate titanate/sulphoaluminate cement composites
The sulphoaluminate cement was, for the first time, used to fabricate 0-3 piezoelectric composites by compressing technique. The dependences of piezoelectric properties of composites on poling conditions, particle size and contents of lead zirconate titanate (PZT) were discussed especially. The results show that the piezoelectric properties of composites are improved by increasing poling field E, poling time t and poling temperature T. The optimum E, t and T are 4.0 kV/mm, 45 min and 120 deg C respectively in this work. The piezoelectric strain factor d(33) is found to increase with increasing particle size of PZT. When the particle size of PZT is larger than about 130 mikrometer, the d(33) is nearly independent of particle size. The d(33), g(33) and the electromechanical coupling coefficient K(p), K(t) of composites increase rapidly with increasing content of PZT. When the content of PZT reaches 85%, K(p) and K(t) are 28.54 and 28.19%, respectively.
Poling process and piezoelectric properties of lead zirconate titanate/sulphoaluminate cement composites
Huang, Shifeng (author) / Chang Jun (author) / Liu, Futian (author) / Lu, Lingchao (author) / Ye, Zhengmao (author) / Cheng Xin (author)
Journal of Materials Science ; 39 ; 6975-6979
2004
5 Seiten, 6 Bilder, 3 Tabellen, 7 Quellen
Article (Journal)
English
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