Proceedings Vol. 17 (2011)
ENGINEERING MECHANICS 2011
May 9 – 12, 2011, Svratka, Czech Republic
Copyright © 2011 Institute of Thermomechanics, Academy of Sciences of the Czech Republic, v.v.i., Prague
ISSN 1805-8248 (printed)
ISSN 1805-8256 (electronic)
list of papers scientific commitee
pages 191 - 194, full text
The article gives the general view to the detection of defects (rather the cracks) of mechanical structures through initializing and receiving so-called Rayleigh waves, which have value over 1 MHz (ultrasonic). The detection of cracks in solids using ultrasound is known for several decades, but as a method continuous monitoring (on-line) of cracks during operation of structures is being developed only a few years. Main physical properties SAW are
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