Ultrasonic detection method of the internal defects of a...

Details Ultrasonic detection method of the internal defects of a... Ultrasonic detection method of the internal defects of a...

G - Physics

01

N

349/43

G01N 29/04 (2006.01) G01N 29/06 (2006.01) G01N 29/07 (2006.01)

Patent

CA 1267214

ABSTRACT OF THE DISCLOSURE: An ultrasonic beam penetrates the rail from the surface of the rolling table thereof along a direc- tion forming in horizontal projection a first angle comprised between 10° and 25° with the longitudinal axis of the rail, and in vertical projection a second angle with the symmetric plane of the rail comprised between 60° and 80°. The echoes reflected by a displaced oval flaw are detected either directly or indirectly.

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