Electromagnetic acoustic transducers for in- and out-of plane ultrasonic wave detection

被引：45

作者：

Jian, X. ^{[1
]}

Dixon, S. ^{[2
]}

Quirk, K. ^{[1
]}

Grattan, K. T. V. ^{[3
]}

机构：

[1] Phoenix ISL, Warrington WA1 4RZ, Cheshire, England

[2] Univ Warwick, Dept Phys, Coventry CV4 7AL, W Midlands, England

[3] City Univ London, EEIE, London EC1V 0HB, England

来源：

SENSORS AND ACTUATORS A-PHYSICAL | 2008年 / 148卷 / 01期

关键词：

EMAT; Particle velocity sensor; In-plane velocity; Out-of-plane velocity; Lift-off;

D O I：

10.1016/j.sna.2008.07.004

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A model has been developed for the detection of ultrasonic waves using electromagnetic acoustic transducers (EMATs). EMATs are particle velocity sensors, which can be designed to have sensitivity to in-plane and, or out-of- plane ultrasonic displacements, by suitably arranging the magnetic field in the receiving EMATs relative to the orientation of the coil. Good agreement between the results from modeling and experimental measurements has been demonstrated. (C) 2008 Elsevier B.V. All rights reserved.

引用

收藏

页码：51 / 56

页数：6

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