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Russian Journal of Nondestructive Testing
Erschienen in: Russian Journal of Nondestructive Testing 1/2024

01.01.2024 | ELECTROMAGNETIC METHODS

The Possibility of Detecting Defects in Rail Foot by the MFL Method

verfasst von: A. A. Markov, V. V. Mosyagin, A. G. Antipov, G. A. Ivanov

Erschienen in: Russian Journal of Nondestructive Testing | Ausgabe 1/2024

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Abstract

The article investigates the possibility of detecting defects in the form of transverse cracks in rail foot under continuous in-service inspection of rails. The MFL method is chosen as an alternative to ultrasonic testing. Computer modeling was carried out, based on the results of which a working model of the system for magnetizing and recording of monitoring signals was developed and constructed. Experimental studies on detection of crack models in rail foot were carried out in laboratory conditions. The studies confirmed the results of computer modeling and proved the possibility of detecting such crack models. The minimum sizes of detectable crack models in the zone of rail fastening and between them have been estimated.
Vorheriger Artikel Inspection of Press Joints Based on the Analysis of Their Deformation Patterns under Local Thermal Loading
Nächster Artikel Diagnostic Microlab-Z2 Complex for Nondestructive Evaluation of Structural and Deformation Parameters of Metal Constructions

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Fußnoten
1
Additionally, operators with experience in applying these solutions in practice note the need for a large volume of couplant (technical oil) to ensure acceptable acoustic contact quality.
 
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Metadaten
Titel
The Possibility of Detecting Defects in Rail Foot by the MFL Method
verfasst von
A. A. Markov
V. V. Mosyagin
A. G. Antipov
G. A. Ivanov
Publikationsdatum
01.01.2024
Verlag
Pleiades Publishing
Erschienen in
Russian Journal of Nondestructive Testing / Ausgabe 1/2024
Print ISSN: 1061-8309
Elektronische ISSN: 1608-3385
DOI
https://doi.org/10.1134/S1061830923601459

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