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Using the Pulsed Eddy Current Techniques for Monitoring the Aircraft Structure Condition

Transactions on Aerospace Research
Volume 2023 (2023): Issue 1 (March 2023)
By:
Open Access
|Mar 2023

Figures & Tables

Figure 1.

Equivalent circuit of the differential ECP connected to the pulse signal generator.
Equivalent circuit of the differential ECP connected to the pulse signal generator.

Figure 2.

Equivalent scheme of differential ECP (eddy current probe) after the solution of inductive circuits (A) and after its simplification (B).
Equivalent scheme of differential ECP (eddy current probe) after the solution of inductive circuits (A) and after its simplification (B).

Figure 3.

Methodology of ECP signal processing.
Methodology of ECP signal processing.

Figure 4.

Developed system for ECNDT. AD converter (analogue-to-digital converter); ECNDT (eddy current non-destructive testing); ECP (eddy current probe); MC (microcontroller); PC (personal computer).
Developed system for ECNDT. AD converter (analogue-to-digital converter); ECNDT (eddy current non-destructive testing); ECP (eddy current probe); MC (microcontroller); PC (personal computer).

Figure 5.

The transducing unit of the ECNDT system.
The transducing unit of the ECNDT system.

Figure 6.

The specimen (tested object).
The specimen (tested object).

Figure 7.

The received ECP signal on the screen of the developed software. ECP ‒ eddy current probe.
The received ECP signal on the screen of the developed software. ECP ‒ eddy current probe.

Figure 8.

Distribution of signal amplitude on the surface of TO in C-scan mode (A) and 3D visualisation mode (B): 1 – TO, 2 – signal amplitude. TO ‒ tested objects.
Distribution of signal amplitude on the surface of TO in C-scan mode (A) and 3D visualisation mode (B): 1 – TO, 2 – signal amplitude. TO ‒ tested objects.

Figure 9.

The dependence of the values of ECP signal natural frequency (A) and ECP signal attenuation (B). ECP ‒ eddy current probe.
The dependence of the values of ECP signal natural frequency (A) and ECP signal attenuation (B). ECP ‒ eddy current probe.

Figure 10.

The dependence of the ECP signal parameters on the coordinate: amplitude values (A), natural frequency (B) and signal attenuation (C). ECP ‒ eddy current probe.
The dependence of the ECP signal parameters on the coordinate: amplitude values (A), natural frequency (B) and signal attenuation (C). ECP ‒ eddy current probe.
DOI: https://doi.org/10.2478/tar-2023-0003 | Journal eISSN: 2545-2835
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Language: English
Page range: 22 - 31
Submitted on: Feb 21, 2022
Accepted on: Dec 12, 2022
Published on: Mar 17, 2023
Published by: Sciendo
In partnership with: Paradigm Publishing Services
Publication frequency: 4 times per year
Keywords:
aviation material inspection,
signal characteristics,
information parameters,
scanning,
c-scan
Related subjects:
Engineering,
Introductions and overviews,
Engineering, other,
Geosciences,
Geosciences, other,
Materials sciences,
Materials sciences, other,
Physics,
Physics, other

© 2023 Iuliia Lysenko, Yurii Kuts, Valentyn Uchanin, Anatoliy Protasov, Valentyn Petryk, Alexander Alexiev, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

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