Fig. 1. Scheme of piezocomposite with (a) no matching layer, (b) conventional single matching layer, and (c) proposed matching layer.
Fig. 3. The sensitivity and bandwidth results for transducers with (a) no matching layer, (b) conventional single matching layer, and (c) proposed matching layer.
Fig. 2. (a) Volume fraction of filler, and (b) Characteristic impedance along /x/L.
References
- C. S Desilets, J. D. Fraser, and G. S. Kino, "The design of efficient broad-band piezoelectric transducer", IEEE Trans. Sonics Ultrason., Vol. UFFC-25, No. 3, pp. 115-125, 1978.
- R. E. McKeighn, "Optimization of boradband transducer designs by use of statistial design of experiments", IEEE Trans. Ultrason. Ferroelectr. Freq. Control, Vol. 43, No.1, pp. 63-70, 1996. https://doi.org/10.1109/58.484464
- M. I. Haller and B. T. Khuri-Yakub, "Tapered acoustic matching layers", Proc. IEEE Ultrason. Symp., Vol. 1, pp. 505-508, Baltimore, USA, 1993.
- S. Sato, H. Katsura, and K. Kobayashi, "Experimental investigation of phased array using tapered matching layers", Proc. IEEE Ultrason. Symp., Vol. 2, pp. 1235-1238, Munich, Germany, 2002.
- Z. Li, D. Q. Yang, S.L. Liu, S. Y. Yu, M. H. Lu, J. Zhu, S. T. Zhang, M. W. Zhu, X. S. Gio, H. D. Wu, X. L. Wang, and Y. F. Chen, "Broadband gradient impedance matching using an acoustic metamaterial for ultrasonic transducers", Sci. Rep., Vol. 7, 42863, 20175. https://doi.org/10.1038/srep42863
- X. Dongyu, C. Xin, and H. Shifeng, "Investigation on fabrication and property of acoustic gradient composites", Compos. Sci. Technol., Vol. 122, No. 18, pp. 90-96, 2016. https://doi.org/10.1016/j.compscitech.2015.11.024
- L. Spicci, "FEM simulation for pulse-echo performances of an ultrasound imaging linear probe", Proc. COMSOL conf. Rotterdam, Rotterdam, Netherlands, 2013.
- A. Austeng, "Sparse 2D arrays for 3D phased array imaging- design methods", IEEE Trans. Ultrason. Ferroelectr. Freq. Control, Vol. 49, No. 8, pp. 1073-1086, 2002. https://doi.org/10.1109/TUFFC.2002.1026019
- W. Voigt, "Uber die Beziehung zwischen den beiden Elastizitatskonstanten Isotroper Korper", Wied. Ann., Vol. 38, pp. 573-587, 1889.
- A. Reuss, "Berechnung der Fliessgrense von Mischkristallen auf Grund der Plastizitätsbedingung für Einkristalle", Z. Angew. Math. Mech., Vol. 9, pp. 49-58, 1929. https://doi.org/10.1002/zamm.19290090104
- C. C. Chamis, "Mechanics of composite materials: past, present, and future", J. Compos. Technol. Res., Vol. 11, pp. 3-14, 1989. https://doi.org/10.1520/CTR10143J
- J. C. Halpin, J. L. Kardos, "The Halpin-Tsai equations: A review", Polym. Eng. Sci., Vol. 16, No. 5, pp. 344-352, 1976. https://doi.org/10.1002/pen.760160512
- M. de Jong, W. Chen, T. Angsten, A. Jain, R. Notestine, A. Gamst, M. Sluiter, C. K. Ande, S. van der Zwaag, J. J Plata, C. Toher, S. Curtarolo, G. Ceder, K. A. Persson, and M. Asta, "Charting the complete elastic properties of inorganic crystalline compounds", Sci. Data, Vol. 2, 150009, 2015. https://doi.org/10.1038/sdata.2015.9
- D. M. Pozar, Microwave Engineering, 3rd ed., John Wiley & Sons, New York, pp. 49-90, 2011.