Results 41 to 50 of about 2,523,401 (193)

Linking Microstructural Evolution to Magnetic Response for Damage Assessment in In-Service 321 Stainless Steel

Metals
This study evaluated the damage behavior of 321 austenitic stainless steel under tensile loading by measuring its magnetic properties. The results indicate that, at room temperature, the magnetic properties of 321 stainless steel respond distinctly to ...
Shengzhong Hu, Yunrong Lyu, Weiming Li, Fuping Guo   +3 more
doaj   +1 more source

Monitoring of Surface Damage in Rails After Long Term Cyclic Loading

Communications, 2017
This paper reports about possible concept in which surface damage of the rail after long tem cyclic loading can be executed. This study employs non destructive magnetic Barkhausen noise as a promising technique which exhibits very good sensitivity ...
Katarina Zgutova, Juraj Sramek, Miroslav Neslusan, Peter Danisovic, Jiri Capek   +4 more
doaj   +1 more source

Magnetic Barkhausen noise analysis in the audio frequency range

, 2022
S.125-133A/D and D/A converters which operate in the audio frequency range are available at low pricing and in small packages today. High signal quality and integrated connectivity make them suitable for use in portable testing equipment.
Altpeter, I., Rabung, M., Szielasko, K.
core   +1 more source

Optimisation of amplitude distribution of magnetic Barkhausen noise [PDF]

Journal of Electrical Engineering, 2017
Abstract The magnetic Barkhausen noise (MBN) measurement method is a widely used non-destructive evaluation technique used for inspection of ferromagnetic materials. Besides other influences, the excitation yoke lift-off is a significant issue of this method deteriorating the measurement accuracy.
Jozef Pal’a, Vladimír Jančárik
openaire   +1 more source

Influence of Demagnetization and Microstructure Non-Homogeneity on Barkhausen Noise in the High-Strength Low-Alloyed Steel 1100 MC

Applied Sciences
This study deals with two different aspects of the high-strength low-alloyed 1100 MC steel. The first is associated with the remarkable heterogeneity (linked with surface decarburization) in the surface state produced during sheet rolling with respect to
Martin Pitoňák, Nikolaj Ganev, Katarína Zgútová, Jiří Čapek, Miroslav Neslušan, Karel Trojan   +5 more
doaj   +1 more source

Ultrawide Bandwidth Optomechanical Magnetometry Using Flux Concentration

Advanced Functional Materials, Volume 36, Issue 65, 13 August 2026.
High‐permeability flux concentrators enable ultrawide‐bandwidth chip‐scale optomechanical magnetometry by exploiting magnetic nonlinearity to up‐convert low‐frequency fields to the mechanical resonance, where sensitivity is optimal. This enables flat wideband operation over more than four orders of magnitude, from tens of kilohertz to sub‐hertz ...
Benjamin J. Carey, Nathaniel Bawden, Fernando Gottardo, James S. Bennett, Douglas Bulla, Scott Foster, Warwick P. Bowen   +6 more
wiley   +1 more source

Self-Similar Barkhausen Noise in Magnetic Domain Wall Motion [PDF]

Physical Review Letters, 1996
A model for domain wall motion in ferromagnets is analyzed. Long-range magnetic dipolar interactions are shown to give rise to self-similar dynamics when the external magnetic field is increased adiabatically. The power spectrum of the resultant Barkhausen noise is of the form $1/ω^α$, where $α\approx 1.5$ can be estimated from the critical exponents ...
openaire   +3 more sources

Magnetic Barkhausen Noise in quenched carburized steels

Journal of Physics: Conference Series, 2011
Steels with different carbon content, 0.11%C and 0.48%C were submitted to a heat treatment for carburization in the surface. The samples were analyzed after several types of heat treatment, including quenching for producing martensite. The Magnetic Barkhausen Noise (MBN) is directly related to the microstructure. Samples with lower carbon content, have
M F de Campos, F A Franco, R Santos, F S da Silva, S B Ribeiro, J F C Lins, L R Padovese   +6 more
openaire   +1 more source

AWT‐YOLO: Lightweight Rail Surface Defect Detection Algorithm Based on YOLOv11 Improvement

Engineering Reports, Volume 8, Issue 8, August 2026.
The proposed improvement route and method architecture related to this study. ABSTRACT Railway safety and operational reliability critically depend on timely and accurate inspection of rail infrastructure. Nevertheless, existing visual neural network‐based inspection methods frequently fail to achieve an optimal balance between detection accuracy and ...
Lu Liu, Yichen Sun, Jiahao Wang, Zixin Wang, Chenhao Hu   +4 more
wiley   +1 more source

UNIVERSAL INFORMATION-MEASURING SYSTEM FOR THE STUDY OF MAGNETIC PROPERTIES OF FERROMAGNETIC STEELS

Российский технологический журнал, 2016
The article deals with information-measuring system of magnetic noise control stress with the use 3D scanner and advanced microprocessor technology. A block diagram of the device magnetic noise control from signals of Barkhausen jumps and how it works ...
V. V. Filinov, P. G. Arakelov, E. V. Tretyak, D.a.   +3 more
doaj   +1 more source