无铅压电陶瓷超声刀仿真与实验
Simulation and Experiment of Lead-Free Piezoelectric Ceramic Ultrasonic Knife
DOI: 10.12677/MOS.2023.123288, PDF,   
作者: 鲁俊晖：浙江理工大学机械工程学院，浙江 杭州；钟美鹏：嘉兴南湖学院机电工程学院，浙江 嘉兴；吴超峰：桐乡清锋科技(嘉兴)有限公司，浙江 嘉兴
关键词: 超声刀；无铅压电陶瓷；有限元；模拟仿真；Ultrasonic Knife； Lead-Free Piezoelectric Ceramic； Finite； Simulation
摘要: 本文采用BNT (钛酸铋钠)无铅压电陶瓷材料，设计出一种用于外科手术的超声刀换能器，并使用有限元软件对于PZT (锆钛酸铅)超声换能器和无铅压电陶瓷换能器进行模态仿真和谐响应分析，得出超声换能器工作时的最佳谐振频率以及各阶模态，获得最佳振幅并进行对比参照。进行无铅压电陶瓷超声刀换能器的设计，与有铅超声刀模拟仿真分析比较，得出超声换能器工作时的最佳谐振频率和最大位移振幅。同时对无铅压电陶瓷加工工艺和微观结构进行观察，并对无铅压电陶瓷换能器组装并测试装配预载荷对于谐振频率的影响，测试两种压电陶瓷材料换能器的性能，为无铅压电陶瓷超声刀的应用提供了进一步的发展和优化空间。
Abstract: In this paper, BNT (sodium bismuth titanate) lead-free piezoelectric ceramic material is used to de-sign an ultrasonic scalpel transducer for surgery. The finite element software is used to conduct modal simulation and harmonic response analysis for PZT (lead zirconate titanate) ultrasonic transducers and lead-free piezoelectric ceramic transducers, and the optimal resonant frequency and various modes of the ultrasonic transducer during operation are obtained. The optimal ampli-tude is obtained and compared. The design of a lead-free piezoelectric ceramic ultrasonic knife transducer was carried out, and the optimal resonant frequency and maximum displacement am-plitude of the ultrasonic transducer during operation were obtained by comparing it with the sim-ulation analysis of a lead-free ultrasonic knife. At the same time, the processing technology and mi-crostructure of lead-free piezoelectric ceramics were observed, and the lead-free piezoelectric ce-ramic transducer was assembled and the effect of assembly preload on resonant frequency was tested. The performance of two piezoelectric ceramic material transducers was tested, providing further development and optimization space for the application of lead-free piezoelectric ceramic ultrasonic knives.
文章引用：鲁俊晖, 钟美鹏, 吴超峰. 无铅压电陶瓷超声刀仿真与实验[J]. 建模与仿真, 2023, 12(3): 3129-3138. https://doi.org/10.12677/MOS.2023.123288

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