Until recently only practical method of inspecting rail joints has been removal of joint bars and visual inspection from side of rail; ultrasonic equipment was developed to permit rapid inspection from top without removal of joint bar; ultrasonic resonance and pulse methods were found suitable; former allows of simpler, battery operated equipment; details and use of such equipment.
Testing of railroad rails by ultrasonic resonance method
Non-Destructive Testing
Non-Destructive Testing ; 10 , n 3
1952
3 pages
Article (Journal)
English
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