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- Title
Ultrasonic Propagation in Highly Attenuating Insulation Materials.
- Authors
Hutchins, David A.; Watson, Richard L.; Davis, Lee A.J.; Akanji, Lolu; Billson, Duncan R.; Burrascano, Pietro; Laureti, Stefano; Ricci, Marco
- Abstract
Experiments have been performed to demonstrate that ultrasound in the 100–400 kHz frequency range can be used to propagate signals through various types of industrial insulation. This is despite the fact that they are highly attenuating to ultrasonic signals due to scattering and viscoelastic effects. The experiments used a combination of piezocomposite transducers and pulse compression processing. This combination allowed signal-to-noise levels to be enhanced so that signals reflected from the surface of an insulated and cladded steel pipe could be obtained.
- Subjects
ULTRASONIC propagation; INSULATING materials; ULTRASONIC testing; STEEL pipe; TRANSDUCERS
- Publication
Sensors (14248220), 2020, Vol 20, Issue 8, p2285
- ISSN
1424-8220
- Publication type
Article
- DOI
10.3390/s20082285