DOI:
2006. . No. 4(34) – Dec 2006, pp. 48-50
Look out! Angle of Incident α is 70°?
Brief historical reference to the development of the notion of «Angle of incident α» is given. The action of atmospheric temperature on the angle value into the steel and on relative sensitivity of flaw-detector, where rating value of angle of incident is ≈ 70°.
