Results 41 to 50 of about 2,670,483 (201)

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

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

Barkhausen Noise Analysis by Surrounding Coil [PDF]

, 1995
The Barkhausen effect (or Barkhausen noise)[1], discovered in 1919, was initially identified as the revealing of irreversible and discontinuous changes of magnetisation induced by an external magnetic field[2].
A. Le Brun, J. Catty, J. Chicois, Chicois, J., Fleischmann, P., P. Fleischmann, Le Brun, A., Catty, J.   +7 more
core   +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

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

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

Evaluation of the Residual Stress State of 42crmo4 Steel Sheets in a Production Line [PDF]

Materials Research, 2016
The residual stress state of a mechanical component is an important factor in its production planning and in estimates of its lifecycle since it can be responsible for geometric distortions and degradation of fatigue properties.
Allan Romário de Paula Dias, Rafael Menezes Nunes, Toni Roger Schifelbain de Lima, Thomas Gabriel Rosauro Clarke   +3 more
doaj   +1 more source

Increasing the Reuse Potential of High‐Strength Steels by Extending the Fatigue Life through Surface Treatments

steel research international, Volume 97, Issue 8, Page 4326-4336, August 2026.
Surface reconditioning through mechanical and electrochemical polishing is shown to extend the fatigue life of predamaged 42CrMo4 steel by over 12 times. By removing ≈100 μm of surface material, surface‐driven fatigue damage is mitigated. This study introduces a reuse potential metric to evaluate fatigue recovery and support sustainable steel reuse. To
Ayush Shrivastava, Oguz Gulbay, Srinivasa Raghavan Raghuraman, Marion Kreins, Fabian Weber, Peter Starke, Alexander Gramlich, Ulrich Krupp   +7 more
wiley   +1 more source