Fully noncontact nonlinear ultrasonic characterization of thermal damage in concrete and correlation with microscopic evidence of material cracking
Sign Up to like & getrecommendations! Published in 2019 at "Cement and Concrete Research"
DOI: 10.1016/j.cemconres.2019.105797
Abstract: Abstract This paper investigates the degradation of concrete integrity under the rising temperature using a nonlinear ultrasonic second harmonic generation (SHG) technique based on a fully non-contact approach. The microscopic cracks accumulated during the course… read more here.
Keywords: nonlinear ultrasonic; correlation microscopic; damage; thermal damage ... See more keywords
Modulated high frequency excitation approach to nonlinear ultrasonic NDT
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Sound and Vibration"
DOI: 10.1016/j.jsv.2018.12.034
Abstract: Abstract A novel approach for nonlinear ultrasonics is presented which relies on an amplitude modulated high-frequency excitation, as distinct from the conventional vibro-acoustic approach based on a low-frequency pumping wave in combination with a high-frequency… read more here.
Keywords: nonlinear ultrasonic; high frequency; approach nonlinear; frequency ... See more keywords
Nonlinear ultrasonic testing and data analytics for damage characterization: A review
Sign Up to like & getrecommendations! Published in 2021 at "Measurement"
DOI: 10.1016/j.measurement.2021.110155
Abstract: Abstract Nondestructive testing and evaluation (NDTE even at the microscopic levels. Furthermore, the nonlinear characteristics of ultrasonic waves can be correlated to several material properties. In the last two decades, the NUT method has been… read more here.
Keywords: damage characterization; nonlinear ultrasonic; nut; damage ... See more keywords
Detection the nonlinear ultrasonic signals based on modified Duffing equations
Sign Up to like & getrecommendations! Published in 2017 at "Results in physics"
DOI: 10.1016/j.rinp.2017.08.054
Abstract: Abstract The nonlinear ultrasonic signals, like second harmonic generation (SHG) signals, could reflect the nonlinearity of material induced by fatigue damage in nonlinear ultrasonic technique which are weak nonlinear signals and usually submerged by strong… read more here.
Keywords: shg signals; nonlinear ultrasonic; duffing equations; duffing equation ... 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
Nonlinear ultrasonic detection for evaluating fatigue crack in metal plate
Sign Up to like & getrecommendations! Published in 2019 at "Structural Health Monitoring"
DOI: 10.1177/1475921718784451
Abstract: In engineering structures, metal materials always endure fatigue cracks under long-term service. There has been a demand for developing a structural health monitoring method to evaluate micro-sized fatigue cracks, as cracking is considered as a… read more here.
Keywords: fatigue crack; detection; fatigue cracks; metal ... See more keywords
Nonlinear ultrasonic evaluation of disorderedly clustered pitting damage using an in situ sensor network
Sign Up to like & getrecommendations! Published in 2020 at "Structural Health Monitoring"
DOI: 10.1177/1475921720911153
Abstract: Pervasive but insidious, pitting damage—from pitting corrosion in maritime structures through electrical pitting in bearings to debris cloud–induced pitting craters in spacecraft—is a typical modality of material degradation and lesion in engineering assets in harsh… read more here.
Keywords: situ sensor; nonlinear ultrasonic; evaluation; pitting damage ... See more keywords
Contact delamination detection of anisotropic composite plates using non-elliptical probability imaging of nonlinear ultrasonic guided waves
Sign Up to like & getrecommendations! Published in 2022 at "Structural Health Monitoring"
DOI: 10.1177/14759217221085159
Abstract: Contact delamination damage easily occurs inside the composite. The extension and accumulation of the damage occupy most of the time from damage appearance to failure. However, the anisotropy of materials and the small size of… read more here.
Keywords: time; damage; ultrasonic guided; guided waves ... See more keywords
Crack localization by laser-induced narrowband ultrasound and nonlinear ultrasonic modulation
Sign Up to like & getrecommendations! Published in 2020 at "Smart Structures and Systems"
DOI: 10.12989/sss.2020.25.3.301
Abstract: The laser ultrasonic technique is gaining popularity for nondestructive evaluation (NDE) applications because it is a noncontact and couplant-free method and can inspect a target from a remote distance. For the conventional laser ultrasonic techniques,… read more here.
Keywords: nonlinear ultrasonic; target structure; modulation; laser ... See more keywords
Research Progress in Nonlinear Ultrasonic Testing for Early Damage in Metal Materials
Sign Up to like & getrecommendations! Published in 2023 at "Materials"
DOI: 10.3390/ma16062161
Abstract: There are some limitations when conventional ultrasonic testing methods are used for testing early damage in metal parts. With the continuous development of acoustics and materials science, nonlinear ultrasonic nondestructive testing technology has been used… read more here.
Keywords: testing early; ultrasonic testing; damage metal; nonlinear ultrasonic ... See more keywords
Temperature Effects on Nonlinear Ultrasonic Guided Waves
Sign Up to like & getrecommendations! Published in 2023 at "Materials"
DOI: 10.3390/ma16093548
Abstract: Nonlinear ultrasonic guided waves have attracted increasing attention in the field of structural health monitoring due to their high sensitivity and long detection distance. In practical applications, the temperature of the tested structure will inevitably… read more here.
Keywords: temperature effects; ultrasonic guided; guided waves; nonlinear ultrasonic ... See more keywords