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   Articles with "nonlinear ultrasonic" as a keyword



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Fully noncontact nonlinear ultrasonic characterization of thermal damage in concrete and correlation with microscopic evidence of material cracking

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recommendations! 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

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recommendations! 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

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recommendations! 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

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recommendations! 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

Enhanced concrete crack detection using nonlinear ultrasonic signal denoising and feature enhancement with CEEMDAN, VMD and GRU

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recommendations! Published in 2024 at "Measurement Science and Technology"

DOI: 10.1088/1361-6501/ad929b

Abstract: The nonlinear ultrasonic detection signals of concrete are highly sensitive to micro-damage changes and are thus susceptible to noise interference. Consequently, denoising these detection signals is crucial. This study proposes a comprehensive automated denoising method… read more here.

Keywords: detection; method; detection signals; nonlinear ultrasonic ... See more keywords

Laser Ultrasonic Nondestructive Testing Based on Nonlinear Ultrasonic Coefficient

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recommendations! 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

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recommendations! 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
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Nonlinear ultrasonic evaluation of disorderedly clustered pitting damage using an in situ sensor network

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recommendations! 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

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recommendations! 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

Probabilistic damage analysis of rebar corrosion in recycled aggregate concrete using sideband intensity-based nonlinear ultrasonic technique

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recommendations! Published in 2025 at "Structural Health Monitoring"

DOI: 10.1177/14759217251313494

Abstract: The inherent inferiority of recycled aggregate concrete (RAC) necessitates a keen focus on the heightened susceptibility of its steel reinforcement to corrosion. Therefore, accurately predicting the long-term corrosion of steel reinforcement in RAC structures is… read more here.

Keywords: recycled aggregate; analysis; damage; aggregate concrete ... See more keywords

Crack localization by laser-induced narrowband ultrasound and nonlinear ultrasonic modulation

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recommendations! 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