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Comparative study between conventional and microwave sintered lead-free BNKT ceramics
Chen P.-Y.2; Chou C.-C.2; Tseng T.-Y.4; Chen H.H.D.3
2009-12-01
Source PublicationFerroelectrics
Volume381
Issue1 PART 2
Pages196-200
AbstractLead free [(1-x)Bi0.5Na0.5TiO3-(x)Bi0.5K0.5TiO3] ceramics with x = 0.18 were prepared by using microwave sintering technique. XRD of these ceramics show co-existence of tetragonal and rhombohedral phases. Smaller grain size and more uniform microstructure were observed in microwave sintered sample. It might result from different diffusion mechanism. The activation energy of grain growth was calculated. The results display in microwave sintered sample is lower (167kJ/mol) than that for conventional one (260kJ/mol). It implies microwave sintered sample just need lower energy for densification. The remanent polarization and piezoelectric constants of microwave sintered samples are higher than that of conventional sintered samples. Relation among processing kinetics, microstructural characteristics and electrical properties was discussed. Copyright © Taylor & Francis Group, LLC.
KeywordFerroelectric Lead-free Microwave sintering Piezoelectric
DOI10.1080/00150190902877528
URLView the original
Language英語
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Cited Times [WOS]:4   [WOS Record]     [Related Records in WOS]
Document TypeConference paper
CollectionUniversity of Macau
Affiliation1.Mingchi Institute of Technology
2.National Taiwan University of Science and Technology
3.Tunghai University
4.National Taipei University of Technology
Recommended Citation
GB/T 7714
Chen P.-Y.,Chou C.-C.,Tseng T.-Y.,et al. Comparative study between conventional and microwave sintered lead-free BNKT ceramics[C],2009:196-200.
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