UM
An investigation on 1-3 cement based piezoelectric composites
Li Z.2; Huang S.2; Qin L.2; Cheng X.1
2007-08-01
Source PublicationSmart Materials and Structures
ISSN09641726 1361665X
Volume16Issue:4Pages:999-1005
Abstract1-3 cement based piezoelectric composites which had good compatibility with civil engineering structural materials were fabricated by the cut-fill technique. The piezoelectric, dielectric and ferroelectric properties of the composites were studied. The acoustic impedance of the composites was also investigated. The results show that the piezoelectric strain constant d and the dielectric constant ε of the composites increase linearly with the increase of PMN volume fraction, while the piezoelectric voltage constant g presents the opposite trend. The g values of the composites are much higher than those of pure PMN. The remnant polarization P and the coercive field E of the composite with 27.26% volume fraction of PMN are 4.12νCcm and 4.01kVmm, respectively. By enhancing the PMN volume fraction, the acoustic impedance of the composites can be tailored to match that of the civil engineering structural material, i.e. concrete. Therefore, this new kind of composite has potential to be used in civil structure health monitoring. © IOP Publishing Ltd.
DOI10.1088/0964-1726/16/4/007
URLView the original
Language英語
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Cited Times [WOS]:26   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
Affiliation1.University of Jinan
2.Hong Kong University of Science and Technology
Recommended Citation
GB/T 7714
Li Z.,Huang S.,Qin L.,et al. An investigation on 1-3 cement based piezoelectric composites[J]. Smart Materials and Structures,2007,16(4):999-1005.
APA Li Z.,Huang S.,Qin L.,&Cheng X..(2007).An investigation on 1-3 cement based piezoelectric composites.Smart Materials and Structures,16(4),999-1005.
MLA Li Z.,et al."An investigation on 1-3 cement based piezoelectric composites".Smart Materials and Structures 16.4(2007):999-1005.
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