Effects of dwell time sintering on microstructure, Piezoelectric and mechanical properties of modified BNT-based ceramics
© 2016 Trans Tech Publications, Switzerland. The properties of modified Bi 0.5 Na 0.5 TiO 3 (BNT) based lead-free ceramics were investigated. The BNT-based ceramics were prepared by a two-steps sintering method. The ceramics were sintered at T 1 =1373 K and T 2 = 1173 K for various dwell times (0,...
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| Main Authors: | , , , |
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| Format: | Book Series |
| Published: |
2017
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| Online Access: | https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84958213421&origin=inward http://cmuir.cmu.ac.th/jspui/handle/6653943832/42195 |
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| Institution: | Chiang Mai University |
| Summary: | © 2016 Trans Tech Publications, Switzerland. The properties of modified Bi 0.5 Na 0.5 TiO 3 (BNT) based lead-free ceramics were investigated. The BNT-based ceramics were prepared by a two-steps sintering method. The ceramics were sintered at T 1 =1373 K and T 2 = 1173 K for various dwell times (0, 2, 4, and 8h). The properties of the ceramics were characterized by many techniques. The ceramic samples exhibited a pure perovskite phase with rhombohedral symmetry. The microstructural analysis by a scanning electron microscopy (SEM), indicated that all ceramics had a similar microstructure. Piezoelectric and mechanical properties of the ceramics were improved at a suitable dwell time at T 2 . |
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