Study of BNKLBT-1.5 lead-free ceramic/epoxy 1-3 composites

S. H. Choy, W. K. Li, H. K. Li, Kwok Ho Lam, H. L.W. Chan

Research output: Journal article publicationJournal articleAcademic researchpeer-review

16 Citations (Scopus)


Bismuth sodium titanate based lead-free ceramic fiber with the chemical formula of 0.885 (Bi0.5 Na0.5) Ti O3 -0.05 (Bi0.5 K0.5) Ti O3 -0.015 (Bi0.5 Li0.5) Ti O3 -0.05BaTi O3, BNKLBT-1.5, has been fabricated by a powder-based extrusion method. The ceramic fibers with 400 μm diameter were well crystallized after being calcined at 800 °C and sintered at 1170 °C. The piezoelectric and ferroelectric properties of the single fiber were found to be 155 pCN and ∼34.5 μC cm2, respectively, which is comparable with that in bulk sample. 1-3 ceramic/polymer composites were fabricated by two routes, including dice and filled method and fiber pick-and-place method. Theoretical models were used to calculate the piezoelectric properties of the composites and compared with experimental results.
Original languageEnglish
Article number114111
JournalJournal of Applied Physics
Issue number11
Publication statusPublished - 20 Dec 2007

ASJC Scopus subject areas

  • Physics and Astronomy(all)


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