On the Rational Choice of the Damper Shape for an Ultrasonic Piezoelectric Transducer

IF 0.9 4区 材料科学 Q4 MATERIALS SCIENCE, CHARACTERIZATION & TESTING
M. S. Vechera, S. I. Konovalov, R. S. Konovalov, I B. Ch., V. M. Tsaplev
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Abstract

We present the results of studying the influence of the geometric shape of the damper on its effectiveness and the overall efficiency of the emission–reception system. One of possible shapes for the damper is considered where it is a truncated cone with the generatrix tilted relative to the piezoelectric plate plane. A criterion for evaluating the efficiency of the damper operation is proposed. The study includes the results of computational-theoretical (using the finite element method) and experimental research on the influence of the tilt angle of the damper generatrix on the signal reflected from its rear part. The generatrix tilt angle at which the minimum of noise signal is achieved is determined. A study of the emission–reception system under load on the aquatic environment is carried out. A satisfactory agreement between the theoretical and experimental results is noted.

Abstract Image

Abstract Image

论超声压电传感器阻尼器形状的合理选择
摘要 我们介绍了阻尼器几何形状对其效果和发射接收系统整体效率影响的研究结果。我们考虑了阻尼器的一种可能形状,即阻尼器为截顶锥形,其发生器相对于压电板平面倾斜。提出了一种评估阻尼器运行效率的标准。研究包括阻尼器发生器倾斜角度对其后部反射信号影响的计算理论(使用有限元法)和实验研究结果。确定了实现噪声信号最小化的发生器倾斜角度。对水生环境负载下的发射接收系统进行了研究。理论和实验结果之间的一致性令人满意。
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来源期刊
Russian Journal of Nondestructive Testing
Russian Journal of Nondestructive Testing 工程技术-材料科学:表征与测试
CiteScore
1.60
自引率
44.40%
发文量
59
审稿时长
6-12 weeks
期刊介绍: Russian Journal of Nondestructive Testing, a translation of Defectoskopiya, is a publication of the Russian Academy of Sciences. This publication offers current Russian research on the theory and technology of nondestructive testing of materials and components. It describes laboratory and industrial investigations of devices and instrumentation and provides reviews of new equipment developed for series manufacture. Articles cover all physical methods of nondestructive testing, including magnetic and electrical; ultrasonic; X-ray and Y-ray; capillary; liquid (color luminescence), and radio (for materials of low conductivity).
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