Results 41 to 50 of about 1,024,016 (151)

Monitoring of Surface Damage in Rails After Long Term Cyclic Loading

open access: yesCommunications, 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   +4 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

Integrated Field‐Free SOT Domain‐Wall Synapses and MTJ Stochastic Neurons for Hardware Boltzmann Machines

open access: yesAdvanced Functional Materials, Volume 36, Issue 61, 30 July 2026.
Field‐free spin‐orbit torque domain‐wall synapses integrated with stochastic MTJ neurons enable compact hardware Boltzmann machines. Leveraging intrinsic stochasticity and multi‐level conductance, the system achieves efficient probabilistic learning with high accuracy, demonstrating a scalable spintronic platform for energy‐efficient edge AI.
Aijaz H. Lone   +8 more
wiley   +1 more source

Case depth in SAE 1020 steel using barkhausen noise [PDF]

open access: yesMaterials Research, 2013
The most widely used thermochemical process for surface hardening of steels is case hardening. Using several different heat treatments, martensitic surface layers were formed on SAE 1020 steel into which carbon had been diffused.
Alessandra Drehmer   +2 more
doaj   +3 more sources

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

Impedance Spectroscopy of Bifurcation Oscillations in S‐Type Self‐Oscillatory Devices

open access: yesAdvanced Physics Research, Volume 5, Issue 7, July 2026.
Impedance spectroscopy (IS) reveals stability regimes and bifurcation dynamics in S‐type self‐oscillatory devices. By linking nonlinear control theory with frequency‐domain measurements, experimental signatures of oscillations, entrainment, and phase locking are directly identified.
Gonzalo Rivera‐Sierra   +5 more
wiley   +1 more source

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

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

Experimental Evidence for a Metal‐Related Function of a Cyanobactin

open access: yesAngewandte Chemie International Edition, Volume 65, Issue 25, 15 June 2026.
Cyanobactins such as patellamides are produced by cyanobacteria profusely and have been studied extensively, but almost exclusively for their cytotoxic properties. Discussed is unprecedented experimental evidence for a metal‐related biological function – likely CO2 transport from the ascidian to the cyanobacterial symbiont.
Philipp Baur   +8 more
wiley   +1 more source

Current Induced Barkhausen Noise Technique

open access: yes, 2019
Today Barkhausen Noise (BN) measurement is an efficient nondestructive technique for materials characterization. Usually the noise is detected by a coil while the magnetic hysteresis of the test material is cycled by an electromagnet.
Funke, Hendrik   +3 more
core   +1 more source

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

open access: yesApplied 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   +5 more
doaj   +1 more source

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