Experimental study of the corrosion effect on the elastic properties of steel plates by ultrasonic method

Mountassir, Lahcen; Bassidi, Touriya; Nounah, Hassan

doi:10.1016/j.physb.2019.01.008

Cited by 5 publications

(3 citation statements)

References 33 publications

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“…The signals received, after transmission, are digitized using the digital oscilloscope. They are then averaged and transferred to the computer via the acquisition card (National Instruments) driven by the LabVIEW software in order to process the signals not available on the oscilloscope [16].…”

Section: Methodsmentioning

confidence: 99%

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Signal Processing Technique to Study the Propagation Modes of Ultrasonic Waves in Wood Protected by Layers of Liquid Paint (Cement)

Tafkirte,

Hamine

2024

KEM

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Several techniques based on ultrasound have been proposed for non-destructive evaluation (NDE). It has been widely applied in many fields such as medicine, mechanical, and construction, especially for the detection of cracks and flaws in structures and for the identification of material properties, which is capable of performing tasks to provide quick measurements while guaranteeing great accuracy. In this paper, we have developed the technique of ultrasonic transmission by water immersion as an alternative technique to study the propagation of ultrasonic waves in two structural materials: wood and wood protected by liquid paint (cement). Overall, the application of the transmission technique by change of the angle of incidence enables the demonstration of the experimental dispersion curves for the ultrasonic modes within the plates and allows the investigation and characterization of the function of the paint system (cement) in the wood plate.

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Section: Methodsmentioning

confidence: 99%

“…The same operation is repeated for the other angles. Experimentally, we obtain the dispersion curves corresponding to the wood plate [16]. [17].…”

Section: Measurement Techniquementioning

confidence: 99%

Signal Processing Technique to Study the Propagation Modes of Ultrasonic Waves in Wood Protected by Layers of Liquid Paint (Cement)

Tafkirte,

Hamine

2024

KEM

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“…The research contents mostly focus on the identification or qualitative characterization (most approaches are capable only of inferring the existence of damage) of small-scale damages such as fatigue, corrosion, and thermal damage. [18][19][20][21] The researches on local microdamage localization using nonlinear guided waves have attracted extensive attention. Lu et al 22 determined the time-of-flight (ToF) of the crack-scattered waves by analyzing the correlation of the wavelet energy spectrum, and then the ellipse localization algorithm is applied for crack localization.…”

Section: Introductionmentioning

confidence: 99%

Deep learning enables nonlinear Lamb waves for precise location of fatigue crack

Liu

et al. 2023

Structural Health Monitoring

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Localization of fatigue cracks imposes immense significance to ensure the health of the engineering structures and prevent further catastrophic accidents. The nonlinear ultrasonic waves, especially the nonlinear Lamb waves, have been increasingly studied and employed for identifying micro-damages that are usually invisible to traditional linear ultrasonic waves. However, it remains a challenge to locate the fatigue cracks using nonlinear Lamb waves owing to the enormous difficulties in decoding location information from acoustic nonlinearity. Motivated by this, this work presents a data-driven method for precise location of fatigue crack using nonlinear Lamb waves. A 1D-Attention-convolutional neural network is developed to correlate the fatigue crack location with the wavelet coefficients at the second harmonic frequency of Lamb wave signals. The introduction of the Attention layer enables the models to pay more attention to the desired nonlinear features which dominates locating the fatigue crack. In particular, a convenient dataset creation scheme guided by the relative value label is proposed to generate sufficient data commonly required for deep learning approach. In addition, a lightweight single-excite-multiple-receive signal acquisition method is adopted instead of full-matrix capture method used in the traditional research, which highly improves detection efficiency. Numerical simulation and experimental validation manifest that the trained network can be used to establish the complex mapping between the nonlinear ultrasonic signals and the fatigue crack location features, so as to locate barely visible fatigue cracks. Our work provides a promising and practical way to facilitate nonlinear Lamb waves to accurately locate fatigue cracks in large-scale plate-like structures.

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Non-destructive characterization of elastic properties on steel plate using laser ultrasound technique under high-temperature atmosphere

Yeh

Jeyaprakash

Yang

2020

Int J Adv Manuf Technol

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Experimental study of the corrosion effect on the elastic properties of steel plates by ultrasonic method

Cited by 5 publications

References 33 publications

Signal Processing Technique to Study the Propagation Modes of Ultrasonic Waves in Wood Protected by Layers of Liquid Paint (Cement)

Signal Processing Technique to Study the Propagation Modes of Ultrasonic Waves in Wood Protected by Layers of Liquid Paint (Cement)

Deep learning enables nonlinear Lamb waves for precise location of fatigue crack

Non-destructive characterization of elastic properties on steel plate using laser ultrasound technique under high-temperature atmosphere

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