Fatigue Crack Detection on Structural Steel Members by Using Ultrasound Excited Thermography = Erkennung Von Ermüdungsrissen in Stahlbauteilen Durch Ultraschallangeregte Thermografie

en Limba Engleză Hardback – 8 oct 2020

Ultrasound excitation of structural steel members leads to localised energy dissipation at existent fatigue cracks and thus allows for thermographic flaw detection. Essential effects on the defect-selective heating, such as flaw size, plate thickness, crack mouth opening or static preload, are systematically investigated. Laser vibrometry measurements of the crack edges, theoretical modelling of frictional heating and numerical simulations contribute to the understanding of the involved physics.

This work was published by Saint Philip Street Press pursuant to a Creative Commons license permitting commercial use. All rights not granted by the work's license are retained by the author or authors.

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