Flaw detection in railroad wheels using Rayleigh wave EMATs (Electromagnetic acoustic transducers)

1993 ◽  
Vol 26 (4) ◽  
pp. 214
Keyword(s):  
Rayleigh Wave ◽  
Flaw Detection ◽  
Electromagnetic Acoustic Transducers ◽  
Acoustic Transducers ◽  
Railroad Wheels

Flaw Detection in Railroad Wheels Using Rayleigh-Wave EMATS

1988 ◽  
pp. 1661-1668 ◽  
Author(s):  
R. E. Schramm ◽  
A. V. Clark ◽  
D. V. Mitrakovic ◽  
P. J. Shull
Keyword(s):  
Rayleigh Wave ◽  
Flaw Detection ◽  
Railroad Wheels

Flaw Detection in Aluminum Plate by Shear Horizontal Guided Wave Based on Magnetostriction EMAT

2014 ◽  
Vol 614 ◽  
pp. 287-290
Author(s):  
Le Chen ◽  
Yue Min Wang ◽  
Hai Quan Geng
Keyword(s):  
Guided Waves ◽  
Flaw Detection ◽  
Test Sample ◽  
Guided Wave ◽  
Sh Waves ◽  
Electromagnetic Acoustic Transducers ◽  
Acoustic Transducers ◽  
Non Destructive ◽  
Viable Method ◽  
Shear Horizontal

Shear horizontal (SH) guided waves have been proved to be a viable method in the Non-Destructive Evaluation (NDE). Electromagnetic acoustic transducers (EMAT) can excite SH waves easily. By bonding the Fe-Co alloy to the test sample, the SH guided waves based on magnetostriction effect can be used to detect the flaw in nonferromagnetic material. The principle of exciting and receiving SH waves is introduced, and an experiment is carried out to validate the result.

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