基于2-2型压电陶瓷复合材料的三匹配层宽带医用超声相控阵换能器研制
Development of Three Matching Layer Broadband Medical Ultrasonic Phased Array Transducer with 2-2 Piezoelectric Ceramic Composite
摘 要
选用2-2型压电陶瓷复合材料，利用三匹配层设计方案和KLM模型优化方法研制三匹配层结构的宽带医用相控阵换能器；根据设计参数，实际制作医用相控阵换能器。结果表明：实际制作的医用相控阵换能器的中心频率为2.95 MHz，-6 dB相对带宽约为83.2%，与理论设计结果（3.05 MHz，87.8%）基本一致，符合设计要求。该换能器有望用于对心脏疾病的显像诊断。
带宽
三匹配层结构
medical phased array transducer
bandwidth
three matching layer structure
Abstract
A three matching layer structure broadband medical phased array transducer was developed with 2-2 piezoelectric ceramic composite by three matching layer design scheme and KLM model optimization method. According to the design parameters, the medical phased array transducer was actually manufactured. The results show that the center frequency of actually produced medical phased array transducer was 2.95 MHz, and the relative bandwidth at -6 dB was about 83.2%, which were basically consistent with the theoretical design results (3.05 MHz, 87.8%) and met the design requirements. The transducer is expected to be used for imaging diagnosis of heart diseases.
中图分类号 TB552 DOI 10.11973/jxgccl202006019
所属栏目 专题报道(电子陶瓷)
基金项目 浙江省公益计划项目（LGG18E020006）；宁波市自然科学基金资助项目（2018A610006）
收稿日期 2020/5/10
修改稿日期 2020/5/26
网络出版日期
作者单位点击查看
备注张浩(1990-),男,江苏淮安人,工程师,理学硕士
引用该论文: ZHANG Hao,ZHAO Cheng,SHI Xiumei,ZENG Tao. Development of Three Matching Layer Broadband Medical Ultrasonic Phased Array Transducer with 2-2 Piezoelectric Ceramic Composite[J]. Materials for mechancial engineering, 2020, 44(6): 88～92
张浩,赵程,史秀梅,曾涛. 基于2-2型压电陶瓷复合材料的三匹配层宽带医用超声相控阵换能器研制[J]. 机械工程材料, 2020, 44(6): 88～92
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参考文献
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【4】PARK S E,SHROUT T R.Ultrahigh strain and piezoelectric behavior in relaxor based ferroelectric single crystals[J].Journal of Applied Physics, 1997,82(4):1804-1811.
【5】HAYWARD G,BENNETT J.Assessing the influence of pillar aspect ratio on the behavior of 1-3 connectivity composite transducers[J].IEEE Transactions on Ultrasonics,Ferroelectrics and Frequency Control, 1996,43(1):98-108.
【6】SMITH W A,AULD B A.Modeling 1-3 composite piezoelectrics:Thickness-mode oscillations[J].IEEE Transactions on Ultrasonics,Ferroelectrics and Frequency Control, 1991,38(1):40-47.
【7】仲林建, 陈俊波, 王世全. 1-3型压电复合材料的制备及性能分析[J]. 声学与电子工程, 2007(1):33-36.
【8】党长久,李明轩.1-3型压电复合材料[J].应用声学,1995,14(1):2-7.
【9】高峰, 申扣喜. 2-2压电复合材料的静水压电性能研究[C]//2009年全国水声学学术交流会. 大连:中国声学学会,2009:61-63.
【10】辛菲,陈文革.2-2型PZT/环氧树脂复合压电材料的研究[J].压电与声光,2015,37(4):646-649.
【11】张亚鑫, 吴浩东. 2-2压电复合材料机电耦合系数有限元分析[C]//中国声学学会2010年全国会员代表大会暨学术会议论文集.哈尔滨:中国声学学会,2010:472-473.
【12】水永安,薛强.2-2结构压电复合材料的机电耦合系数研究[J].中国科学E辑:技术科学,1996,26(4):304-310.
【13】栾桂冬,张金铎,王仁乾.压电换能器和换能器阵[M].北京:北京大学出版社,2005.
【14】ZHOU Q F,LAM K H,ZHENG H R,et al.Piezoelectric single crystal ultrasonic transducers for biomedical applications[J].Progress in Materials Science, 2014,66:87-111.
【15】MASON W.Electromechanical transducers and wave filters[M]. New York: Van Bistrabd D. Company Inc., 1942.
【16】KRIMHOLTZ R,LEEDOM D A,MATTHAEI G L.New equivalent circuits for elementary piezoelectric transducers[J].Electronics Letters, 1970,6(13):398.
【17】REDWOOD M.Experiments with the electrical analog of a piezoelectric transducer[J].The Journal of the Acoustical Society of America, 1964,36(10):1872-1880.
【18】伍于添.医学超声设备:原理·设计·应用[M].北京:科学技术文献出版社,2012.
【19】CASTILLO M,ACEVEDO P,MORENO E.KLM model for lossy piezoelectric transducers[J].Ultrasonics, 2003,41(8):671-679.
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