Choy, S.H., Li, H.K., Lam, K.H. , Chan, H.L.W. and Choy, C.L. (2007) (Bi1/2Na1/2)TiO3-(Bi1/2K1/2)TiO3-(Bi1/2Li1/2)TiO3-BaTiO3 lead-free ceramic fibres fabricated by a powder-based extrusion method. Ferroelectrics, 358(1), pp. 85-92. (doi: 10.1080/00150190701536473)
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Abstract
Lead-free bismuth sodium potassium lithium titanate—barium titanate [0.885 (Bi1/2Na1/2)TiO3-0.05(Bi1/2K1/2)TiO3–0.015(Bi1/2Li1/2)TiO3-0.05BaTiO3, BNKLBT-1.5] fibres have been fabricated by a powder-based extrusion method. The ceramic fibres with 400 μ m diameter were well-crystallized after being calcined at 800°C and sintered at 1170°C. After being poled, the electromechanical coupling coefficient k33 of the fibre is 0.55 while other properties are comparable to those a ceramic disc. The BNKLNT ceramic fibres prepared by the powder-based extrusion method have good piezoelectric and ferroelectric properties and have potential to replace lead zirconate titanate (PZT) fibres in various device applications.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Lam, Dr Koko |
| Authors: | Choy, S.H., Li, H.K., Lam, K.H., Chan, H.L.W., and Choy, C.L. |
| College/School: | College of Science and Engineering > School of Engineering > Systems Power and Energy |
| Journal Name: | Ferroelectrics |
| Publisher: | Taylor & Francis |
| ISSN: | 0015-0193 |
| ISSN (Online): | 1563-5112 |
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