Results 41 to 50 of about 1,069,208 (196)

Measurement of residual stresses in hot-rolled steel sheets for laser cutting [PDF]

open access: yesComputer Methods in Materials Science, 2015
Due to the specific nature of this process, the sheet metal designated for laser cutting must have appropriate chemical composition, structure, and low level of residual stresses.
Wojciech Szymański   +4 more
doaj   +1 more source

Grinding burn classification with surface Barkhausen noise measurements

open access: yesResearch and Review Journal of Nondestructive Testing, 2023
Industrial Barkhausen noise (BN) measurements are commonly utilized for final quality control after machining operations such as grinding to point out grinding burns.
Suvi Santa-aho   +3 more
doaj   +1 more source

Barkhausen Noise from Precessional Domain Wall Motion [PDF]

open access: yes, 2019
The jerky dynamics of domain walls driven by applied magnetic fields in disordered ferromagnets - the Barkhausen effect - is a paradigmatic example of crackling noise. We study Barkhausen noise in disordered Pt/Co/Pt thin films due to precessional motion
Herranen, Touko, Laurson, Lasse
core   +1 more source

Barkhausen Noise Analysis by Surrounding Coil [PDF]

open access: yes, 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   +7 more
core   +1 more source

Ultrawide Bandwidth Optomechanical Magnetometry Using Flux Concentration

open access: yesAdvanced 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   +6 more
wiley   +1 more source

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

open access: yesMetals
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   +3 more
doaj   +1 more source

Use of Magnetic Barkhausen Noise (MBN) to Follow Up the Formation of Sigma Phase in Saf2205 (UNS S31803) Duplex Stainless Steel [PDF]

open access: yesMaterials Research, 2016
Duplex stainless steels have a structure normally composed of austenite and ferrite in approximately equal proportions. In order to attain control of its fabrication processes and performance, it is important to understand its microstructural evolution ...
Edgar Apaza Huallpa   +5 more
doaj   +2 more sources

Barkhausen noise and critical scaling in the demagnetization curve [PDF]

open access: yesPhysical Review B, 2003
The demagnetization curve, or initial magnetization curve, is studied by examining the embedded Barkhausen noise using the non-equilibrium, zero temperature random-field Ising model. The demagnetization curve is found to reflect the critical point seen as the system's disorder is changed.
Carpenter, John H., Dahmen, Karin A.
openaire   +2 more sources

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

open access: yesEngineering 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   +4 more
wiley   +1 more source

The origin of noise and magnetic hysteresis in crystalline permalloy ring-core fluxgate sensors [PDF]

open access: yesGeoscientific Instrumentation, Methods and Data Systems, 2014
Developed in the 1960s for use in high-performance ring-core fluxgate sensors, 6–81.3 Mo permalloy remains the state of the art for permalloy-cored fluxgate magnetometers.
B. B. Narod
doaj   +1 more source

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