Cement-based NanoPiezo 0-3 composites

被引：2

作者：

Li, Z. ^{[1
]}

Gong, H. ^{[2
]}

机构：

[1] Hong Kong Univ Sci & Technol, Dept Civil Engn, Clear Water Bay, Kowloon, Hong Kong, Peoples R China

[2] Shandong Univ, Sch Mat Sci & Technol, Jinan 250061, Peoples R China

来源：

MEASURING, MONITORING AND MODELING CONCRETE PROPERTIES | 2006年

关键词：

cement; PZT; nanopowder; piezoelectric properties; composites;

D O I：

10.1007/978-1-4020-5104-3_46

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

In this paper, study on a new 0-3 type cement-based NanoPiezo composites is presented. The nanopowder was prepared by a sol-gel process. The combined results of the DTA/TGA, XRD, laser particle size analysis and SEM studies indicated that the PZT powder calcined at 700 degrees C obtained perovskite structure with an average crystallite diameter of 26.4 nm. Using a pressing process, up to 80vol% NanoPiezo powder could be incorporated into cement-based composites. The behaviors of the composites under different polarizing conditions are investigated. The composites were compacted and had good response behaviors in impedance spectra. The variations of piezoelectric properties of the nanocomposites to PZT contents were studied. It shows that cement-based NanoPiezo composites have some advantage to the cement-based PZT composites. There is a good potential for application of 0-3 type cement-based NanoPiezo composites in civil engineering.

引用

页码：379 / +

页数：2

共 9 条

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