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10.3390/app12168280
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Article

Investigation of the Scale Factor Impact on the Results of Acoustic Emission Monitoring of the Steel Specimens Tension Process

by
Artem Marchenkov
1,*,
Dmitriy Chernov
2,
Daria Zhgut
1,
Anastasia Pankina
1,
Ekaterina Rudenko
1,
Anton Poroykov
1,
Ekaterina Kulikova
1 and
Tatiana Kovaleva
1
1
Moscow Power Engineering Institute, 14, Krasnokazarmennaya Str., 111250 Moscow, Russia
2
Mechanical Engineering Research Institute of the Russian Academy of Sciences, 4, Maly Kharitonyevsky Pereulok, 101990 Moscow, Russia
*
Author to whom correspondence should be addressed.
Appl. Sci. 2022, 12(16), 8280; https://doi.org/10.3390/app12168280
Submission received: 20 July 2022 / Revised: 16 August 2022 / Accepted: 16 August 2022 / Published: 19 August 2022
(This article belongs to the Special Issue Acoustics and Vibrations Analyses of Materials at Different Scales: Experimental and Numerical Approaches: Volume II)
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Abstract

The research is devoted to steel structure diagnostics by the acoustic emission (AE) method. The existing regulatory documents for AE diagnostics of metals and alloys do not take into account some critical factors, among which one is the scale factor should be highlighted. As a result, this can lead to an unreliable assessment of the danger degree of defects in structures when using standard AE diagnostic criteria. This paper presents a quantitative assessment of the scale factor impact on the AE data during the static tension test of steel specimens to failure. Experimental studies were carried out on flat specimens of various thicknesses with a side notch made of high-quality alloyed steel 30 KhGSA. It was established that AE data changed (rise in the AE signals amplitudes and AE activity) within the increase of specimen thickness. Growth in the recorded AE signals cumulative energy was registered with a greater specimen thickness. Partial correlation dependences of the mean count frequency and cumulative energy of AE signals on the specimen thickness were obtained. It was shown that such an effect occurred due to both a general increase in the deformed metal volume and greater strain intensity during the tension of thick specimens. The obtained dependences may contribute to the development of AE diagnostics of metallic materials which is invariant to the scale factor impact.
Keywords: acoustic emission; tensile test; scale factor; structural steel; metal; monitoring; non-destructive testing; digital image correlation acoustic emission; tensile test; scale factor; structural steel; metal; monitoring; non-destructive testing; digital image correlation

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MDPI and ACS Style

Marchenkov, A.; Chernov, D.; Zhgut, D.; Pankina, A.; Rudenko, E.; Poroykov, A.; Kulikova, E.; Kovaleva, T. Investigation of the Scale Factor Impact on the Results of Acoustic Emission Monitoring of the Steel Specimens Tension Process. Appl. Sci. 2022, 12, 8280. https://doi.org/10.3390/app12168280

AMA Style

Marchenkov A, Chernov D, Zhgut D, Pankina A, Rudenko E, Poroykov A, Kulikova E, Kovaleva T. Investigation of the Scale Factor Impact on the Results of Acoustic Emission Monitoring of the Steel Specimens Tension Process. Applied Sciences. 2022; 12(16):8280. https://doi.org/10.3390/app12168280

Chicago/Turabian Style

Marchenkov, Artem, Dmitriy Chernov, Daria Zhgut, Anastasia Pankina, Ekaterina Rudenko, Anton Poroykov, Ekaterina Kulikova, and Tatiana Kovaleva. 2022. "Investigation of the Scale Factor Impact on the Results of Acoustic Emission Monitoring of the Steel Specimens Tension Process" Applied Sciences 12, no. 16: 8280. https://doi.org/10.3390/app12168280

APA Style

Marchenkov, A., Chernov, D., Zhgut, D., Pankina, A., Rudenko, E., Poroykov, A., Kulikova, E., & Kovaleva, T. (2022). Investigation of the Scale Factor Impact on the Results of Acoustic Emission Monitoring of the Steel Specimens Tension Process. Applied Sciences, 12(16), 8280. https://doi.org/10.3390/app12168280

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