Results 41 to 50 of about 5,938 (188)

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

Crackling Noise, Power Spectra and Disorder Induced Critical Scaling

open access: yes, 2001
Crackling noise is observed in many disordered non-equilibrium systems in response to slowly changing external conditions. Examples range from Barkhausen noise in magnets to acoustic emission in martensites to earthquakes.
A. Berger   +24 more
core   +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

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

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

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

Optical and electrical Barkhausen noise induced by recording ferroelectric domain holograms [PDF]

open access: yes, 1995
Ferroelectric domain gratings with periods of the order of an optical wavelength are induced in strontium barium niobate by photorefractive space-charge fields.
Kewitsch, Anthony S.   +4 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

Hysteresis and noise in ferromagnetic materials with parallel domain walls [PDF]

open access: yes, 2009
We investigate dynamic hysteresis and Barkhausen noise in ferromagnetic materials with a huge number of parallel and rigid Bloch domain walls.
Benedetta Cerruti   +5 more
core   +2 more sources

Shot peening of stainless steels and their monitoring via Barkhausen noise emission

open access: yesJournal of Materials Research and Technology
This study investigates the shot peening of stainless steels with varying chemical compositions, focusing on the resulting microstructures and the associated Barkhausen noise emission.
M. Neslušan   +6 more
doaj   +1 more source

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