Fabrication and properties of 2-2 cement based piezoelectric composites

被引：9
|
作者：
Huang Shifeng [1 ]
Ye Zhengmao [1 ]
Xu Dongyu [1 ]
Chang Jun [1 ]
Wang Shoude [1 ]
Cheng Xin [1 ]
机构：
[1] Univ Jinan, Sch Mat Sci & Engn, Jinan 250022, Peoples R China
来源：
FERROELECTRICS LETTERS SECTION | 2007年 / 34卷 / 1-2期
关键词：
2-2 cement based piezoelectric composite; water/cement ratio; piezoelectric properties; electromechanical coupling coefficient;
D O I：
10.1080/07315170701313690
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Composites with 2-2 connectivity were fabricated from lead magnesium niobate-lead zirconate-lead titanate(PMN) and sulphoaluminate cement by cut-filling process. The influences of PMN volume fraction and water/cement ratio oil the properties of the composite were investigated. The results show that the piezoelectric strain constant d(33) increase rapidly with increasing volume fraction of PMN. When the PMN volume fraction is about 0.60, the d(33) value is up to 357 pCN(-1). The planar electromechanical coupling coefficient K-p of the composites is lower than that of PMN ceramic, while the thickness electromechanical coupling coefficient K-t is higher than that of PMN ceramic. The water/cement ratio has little influence on piezoelectric properties of 2-2 cement based piezoelectric composite.
引用
收藏
页码：22 / 28
页数：7
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