Ultrasonic Transducer Fabricated Using Lead-Free BFO-BTO+Mn Piezoelectric 1-3 Composite
Abstract
:1. Introduction
2. Experimental Section
2.1. Ceramic Characterization
2.2. 1-3 Composite Fabrication
3. Results and Discussion
Material | kt (%) | d33 (pC/N) | ρ (kg/m3) | c (m/s) | εT | Za (MRayls) |
---|---|---|---|---|---|---|
BFO-BTO+Mn Ceramic | 37.5 | 82 | 7366 | 4051 | 596 | 29.84 |
1-3 composite (60%) | 46.4 | 45 | 4800 | 3700 | 290 | 17.76 |
PZT ceramic [24] | 46 | 420 | 7700 | 4100 | 1850 | 32.5 |
Materials | Use | ρ (kg/m3) | c (m/s) | Za (MRayls) | Thickness (mm) |
---|---|---|---|---|---|
Aluminum oxide powder/Epo-tek 301 | Matching layer | 1453 | 2740 | 3.98 | 0.27 |
Aluminum oxide powder and micro-bubbles/Epo-tek 301 | Backing layer | 1725 | 2930 | 5.05 | 10 |
4. Conclusions
Acknowledgments
Author Contributions
Conflicts of Interest
References
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Chen, Y.; Mei, K.; Wong, C.-M.; Lin, D.; Chan, H.L.W.; Dai, J. Ultrasonic Transducer Fabricated Using Lead-Free BFO-BTO+Mn Piezoelectric 1-3 Composite. Actuators 2015, 4, 127-134. https://doi.org/10.3390/act4020127
Chen Y, Mei K, Wong C-M, Lin D, Chan HLW, Dai J. Ultrasonic Transducer Fabricated Using Lead-Free BFO-BTO+Mn Piezoelectric 1-3 Composite. Actuators. 2015; 4(2):127-134. https://doi.org/10.3390/act4020127
Chicago/Turabian StyleChen, Yan, Kai Mei, Chi-Man Wong, Dunmin Lin, Helen Lai Wa Chan, and Jiyan Dai. 2015. "Ultrasonic Transducer Fabricated Using Lead-Free BFO-BTO+Mn Piezoelectric 1-3 Composite" Actuators 4, no. 2: 127-134. https://doi.org/10.3390/act4020127