Ultrasonic Nondestructive Characterization of Blockages and Defects in Underground Pipes
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control"
DOI: 10.1109/tuffc.2022.3183339
Abstract: This article explores the use of a 40-kHz air-coupled ultrasonic array in detecting and imaging blockages and defects in buried pipes with 17–26 wavelengths in diameter at short ranges (approximately 20–60 wavelengths). In particular, the… read more here.
Keywords: numbers transducers; nondestructive characterization; ultrasonic nondestructive; characterization blockages ... See more keywords
Laser Ultrasonic Nondestructive Testing Based on Nonlinear Ultrasonic Coefficient
Sign Up to like & getrecommendations! Published in 2020 at "Russian Journal of Nondestructive Testing"
DOI: 10.1134/s1061830920030043
Abstract: Abstract Laser ultrasonic nondestructive testing technology can effectively detect the location of cracks and other information, it is easy to realize the qualitative detection of cracks, but it is difficult to achieve quantitative detection of… read more here.
Keywords: laser ultrasonic; nonlinear ultrasonic; coefficient; nondestructive testing ... See more keywords