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Article

Analysis of Magnetic Anisotropy and Non-Homogeneity of S235 Ship Structure Steel after Plastic Straining by the Use of Barkhausen Noise

1
The Faculty of Operation and Economics of Transport and Communications, University of Žilina, Univerzitná 1, 010 26 Žilina, Slovakia
2
Faculty of Civil Engineering, University of Žilina, Univerzitná 1, 010 26 Žilina, Slovakia
3
Faculty of Mechanical Engineering, University of Žilina, Univerzitná 1, 010 26 Žilina, Slovakia
*
Author to whom correspondence should be addressed.
Materials 2020, 13(20), 4588; https://doi.org/10.3390/ma13204588
Received: 2 September 2020 / Revised: 2 October 2020 / Accepted: 13 October 2020 / Published: 15 October 2020
This study investigates the microstructure, residual stress state, and the corresponding magnetic anisotropy of the ship structure samples made of S235 steel after uniaxial tensile deformation. A non-destructive magnetic technique based on Barkhausen noise is employed for fast and reliable monitoring of samples exposed to the variable degrees of plastic straining. It was found that the progressively developed plastic straining of the matrix results in an alteration of the easy axis of magnetization, stress anisotropy (expressed in residual stresses state) as well as the corresponding Barkhausen noise emission. Moreover, remarkable non-homogeneity can be found within the plastically strained region, especially when the localized plastic straining takes place. View Full-Text
Keywords: Barkhausen noise; S235 steel; plastic straining Barkhausen noise; S235 steel; plastic straining
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MDPI and ACS Style

Jurkovič, M.; Kalina, T.; Zgútová, K.; Neslušan, M.; Pitoňák, M. Analysis of Magnetic Anisotropy and Non-Homogeneity of S235 Ship Structure Steel after Plastic Straining by the Use of Barkhausen Noise. Materials 2020, 13, 4588. https://doi.org/10.3390/ma13204588

AMA Style

Jurkovič M, Kalina T, Zgútová K, Neslušan M, Pitoňák M. Analysis of Magnetic Anisotropy and Non-Homogeneity of S235 Ship Structure Steel after Plastic Straining by the Use of Barkhausen Noise. Materials. 2020; 13(20):4588. https://doi.org/10.3390/ma13204588

Chicago/Turabian Style

Jurkovič, Martin, Tomáš Kalina, Katarína Zgútová, Miroslav Neslušan, and Martin Pitoňák. 2020. "Analysis of Magnetic Anisotropy and Non-Homogeneity of S235 Ship Structure Steel after Plastic Straining by the Use of Barkhausen Noise" Materials 13, no. 20: 4588. https://doi.org/10.3390/ma13204588

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