Method and device for the nondestructive testing of...

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G - Physics

01

N

349/35

G01N 29/04 (2006.01) G01N 29/06 (2006.01) G01N 29/265 (2006.01)

Patent

CA 1070007

A METHOD AND DEVICE FOR THE NONDESTRUCTIVE TESTING OF MATERIALS BY MEANS OF ULTRASONIC WAVES Abstract of the Disclosure An incident beam of ultrasonic waves is directed onto the surface of a test piece for nondestructive testing and especially for measuring the case-hardening depth of steels. The method consists in subjecting the beam to a uniform displacement at a constant angle of incidence, in detecting the ultrasonic waves back-scattered from the test piece, then in visualizing on a receiver the energies of the successive waves which are back-scattered during at least a predetermined fraction of the beam travel. -1-

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