Fabrication of 1-3 Piezocomposites via Soft Mold Method for High-frequency Ultrasound Transducer

Junting TIAN; Xiaobing LI; Weiyan DING; Shengdong NIE; Zhu LIANG

doi:10.15541/jim20210282

Journals >Journal of Inorganic Materials >Volume 37 >Issue 5 >Page 507 > Article

Journal of Inorganic Materials
Vol. 37, Issue 5, 507 (2022)

Fabrication of 1-3 Piezocomposites via Soft Mold Method for High-frequency Ultrasound Transducer

Junting TIAN¹, Xiaobing LI^1、*, Weiyan DING¹, Shengdong NIE¹, and Zhu LIANG²

Author Affiliations

¹1. School of Health Science and Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China

²2. Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China

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DOI: 10.15541/jim20210282 Cite this Article

Junting TIAN, Xiaobing LI, Weiyan DING, Shengdong NIE, Zhu LIANG. Fabrication of 1-3 Piezocomposites via Soft Mold Method for High-frequency Ultrasound Transducer[J]. Journal of Inorganic Materials, 2022, 37(5): 507 Copy Citation Text

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1. Sketch of soft mold method for 1-3 piezocomposites fabrication

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2. PZT ceramic pillars prepared via soft mold method

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3. Frequency dependent impedances and phase angles of the PZT/Epoxy 1-3 piezocomposites with different thicknesses

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4. Thickness dependent resonant, anti-resonance frequencies and electromechanical coupling factors for 1-3 piezocomposite

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5. Frequency dependent impedances and phase angles of the 1-3 piezocomposite in medical high-frequency ultrasound transducer

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Sample	l/mm	d/mm	ā/mm	f_r/MHz	f_a/MHz	N/(Hz·m)
1#	0.20	0.30	0.03	6.269	5.493	1254
2#	0.25	0.30	0.03	5.902	5.28	1476
3#	0.30	0.30	0.03	5.549	4.99	1665
4#	0.35	0.30	0.03	5.143	4.62	1800
5#	0.40	0.30	0.03	4.849	4.306	1940
6#	0.45	0.30	0.03	4.18	3.65	1881

Table 1. Electrical impedance property of 1-3 piezocomposites of the samples with different thicknesses

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Material	f_a/MHz	k_t	Q_m	Z_a/MRayl
PMNT crystal^[20]	45.0	0.55	100	37
PZT composite^[20]	57.5	0.68	-	15.3
PZT-5H	43.7	0.52	65	34
This work	31.6	0.64	72	10.8

Table 2. Piezoelectric and acoustic property of the piezoelectric materials for high-frequency transducers

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