Using confidence ratings in validation of nondestructive testing techniques

Dymkin, G. Ya.; Konshina, Vera; Nockemann, C.; Tillack, Gerd-Rüdiger

doi:10.1007/bf02759333

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Cited by 3 publications

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“…Reliability is understood as the ability of NC methods (or the system as a whole) with the help of certain means and under certain conditions to detect in the object and evaluate unacceptable defects in accordance with its actual state. The ultrasonic testing techniques are characterized by such reliability indexes, as probability of correct detection Р11, probability of rejection Р01, symbolizing reliability D=1-(P10+P01), where Р10 is probability of missing a defect [15].…”

Section: Introductionmentioning

confidence: 99%

Influence of speed of rail flaw detection on the reliability of its results

2023

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The system of non-destructive testing of rails during their operation on the railroad network of the Russian Federation is based on the use of removable and mobile means of flaw detection. The increase in the volume of control by mobile means in recent years is explained by their higher productivity due to the higher speed of control. But the increase in the speed of control inevitably leads to the loss of acoustic contact and missing defects.

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Section: Introductionmentioning

confidence: 99%