高温应用超声换能器封装设计

IF 0.5 4区材料科学 Q4 MATERIALS SCIENCE, CHARACTERIZATION & TESTING

Materials Evaluation Pub Date : 2023-03-01 DOI:10.32548/2023.me-04314

Mina Torabi Milani, Jenna Del Fatti, Kimberley Orna, Yixin Zhang, A. Sinclair

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引用次数: 0

摘要

提出了一种新的方法来设计高温超声换能器的封装，使其能够在25至650°C的温度范围内连续工作。换能器的有源元件是一个谐振频率为3MHz的重阻尼铌酸锂圆盘，工作在脉冲回波模式下。最初的封装设计是根据几何、热、机械、电气和超声波要求进行的。开发了两个有限元建模系统来分析换能器在低温和高温下的热应力及其超声性能。仿真结果用于在制造换能器原型之前对设计进行优化。原型在室温和高温下进行测试，以验证性能。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Design of an Ultrasonic Transducer Encapsulation for High-Temperature Applications

A novel approach to designing the encapsulation for a high-temperature ultrasonic transducer to be capable of continuous operation over a temperature range of 25 to 650 °C is proposed. The transducer’s active element is a heavily damped lithium niobate disc of 3 MHz resonance frequency, operating in pulse-echo mode. The initial encapsulation design is developed based on the geometrical, thermal, mechanical, electrical, and ultrasonic requirements. Two finite element modeling systems are developed to analyze the thermal-induced stresses in the transducer at low and high temperatures as well as its ultrasonic performance. The simulation results are used to optimize the design before manufacturing a transducer prototype. The prototype is tested at room and elevated temperatures to verify performance.

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来源期刊

Materials Evaluation 工程技术-材料科学：表征与测试

CiteScore

0.90

自引率

16.70%

发文量

审稿时长

6-12 weeks

期刊介绍： Materials Evaluation publishes articles, news and features intended to increase the NDT practitioner’s knowledge of the science and technology involved in the field, bringing informative articles to the NDT public while highlighting the ongoing efforts of ASNT to fulfill its mission. M.E. is a peer-reviewed journal, relying on technicians and researchers to help grow and educate its members by providing relevant, cutting-edge and exclusive content containing technical details and discussions. The only periodical of its kind, M.E. is circulated to members and nonmember paid subscribers. The magazine is truly international in scope, with readers in over 90 nations. The journal’s history and archive reaches back to the earliest formative days of the Society.