This paper reviews the operational principle of electromagnetic acoustic transducers (EMATs) for generating normal beam bulk waves and illustrates thickness gauging as an example of one application.
Dixon, S., C. Edwards, and S.B. Palmer, 2001, “High Accuracy Non-contact Ultrasonic Thickness Gauging of Aluminum Sheet using Electromagnetic Acoustic Transducers,” Ultrasonics, Vol. 39, No. 6, pp. 445–453.
Krautkrämer, J., and H. Krautkrämer, 1983, Ultrasonic Testing of Materials, third edition, Springer-Verlag, Berlin.
Maxfield, B., and Z. Wang, 2018, “Electromagnetic Acoustic Transducers for Nondestructive Evaluation,” in ASM Handbook, Volume 17: Nondestructive Evaluation of Materials, ed. A. Ahmad and L. J. Bond, ASM International, Materials Park, OH, pp. 214–237.
Thompson, R.B., 1990, “4 - Physical Principles of Measurements with EMAT Transducers,” Ultrasonic Measurement Methods, Vol. 19, Physical Acoustics, ed. R.N. Thurston and A.D. Pierce, Academic Press, NY, pp. 157–200.
446 Page Views
0 PDF Downloads
0 Facebook Shares