Abstract
Algorithms intended for certifying ultrasonic testing techniques and based on the complex application of reliability and accuracy indices, which are constructed taking into account the character of techniques, specific features of their use, and the objectives of their certification (comparison of techniques, introduction of a new technique involving measurement procedures, etc.) are proposed. On the basis of the main regulations of GOST (State Standard) R ISO 5725-1, 5725-2, the reproducibility and repeatability of determining the measured characteristics of artificial reflectors and actual flaws and the reliability of ultrasonic testing of welded joints have been assessed.
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