On-line Monitoring of Cracks using Ultrasonic “Multisine” Surface Waves

  • Kristof HARRI

Abstract

A lot of failures in mechanical components are caused by fatigue. Therefore the detection of fatigue damage at a very early stage is important. Rayleigh waves can be used to detect cracks that evolve from the surface of a mechanical structure. In this article a method will be proposed to detect a growing fatigue crack based on the variability of the… (More)

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