Results 31 to 40 of about 5,844 (185)

Magnetic Barkhausen Noise Measurements on Rocks

open access: yesTecnura, 2022
Context: The magnetic properties of rocks may reflect the modal abundance, composition, and microstructure of the magnetic grains contained within them, usually in a very small proportion.
Miriam Rocío Neyra Astudillo   +3 more
doaj   +1 more source

Barkhausen noise from formation of 360^{∘} domain walls in disordered permalloy thin films

open access: yesPhysical Review Research, 2023
Barkhausen noise in disordered ferromagnets is typically understood to originate primarily from jerky field-driven motion of domain walls. We study the magnetization reversal process in disordered permalloy thin films using micromagnetic simulations and ...
Sami Kaappa, Lasse Laurson
doaj   +1 more source

Monte Carlo simulation for relationship between magnetic Barkhausen noise and elastic stress of steel

open access: yesAdvances in Mechanical Engineering, 2016
Monte Carlo simulations were performed for three-dimensional Ising model to study the relationships between magnetic Barkhausen noise and elastic stress of steel. The magnetization process was simulated and the dimensionless magnetic Barkhausen noise was
Liang Li, Xiaoyu Luo
doaj   +1 more source

An auxiliary device for internal pipeline stress detection based on Barkhausen effect

open access: yesYou-qi chuyun, 2020
For the requirements of integrated internal detection of the pipeline stress concentration and metal damage, the internal stress detection technology based on continuous Barkhausen effect was studied, and an auxiliary device for internal stress detection
Jinzhong CHEN, Yilai MA, Yang JIN
doaj   +1 more source

Dynamics of a ferromagnetic domain wall: avalanches, depinning transition and the Barkhausen effect [PDF]

open access: yes, 1998
We study the dynamics of a ferromagnetic domain wall driven by an external magnetic field through a disordered medium. The avalanche-like motion of the domain walls between pinned configurations produces a noise known as the Barkhausen effect. We discuss
A. A. Middleton   +78 more
core   +2 more sources

Case Depth Prediction of Nitrided Samples with Barkhausen Noise Measurement

open access: yesMetals, 2019
Nitriding is a heat treatment process that is commonly used to enhance the surface properties of ferrous components. Traditional quality control uses sacrificial pieces that are destructively evaluated.
Aki Sorsa   +5 more
doaj   +1 more source

Influence of Components Bending on the Consecutive Plasma Nitridation and Barkhausen Noise Emission

open access: yesCommunications, 2019
This paper deals with the non destructive evaluation of components after the plasma nitridation via the Barkhausen noise techniques. Effect of different surface states before the plasma nitriding is studied via the non destructive Barkhausen noise ...
Miroslav Neslusan, Jan Moravec
doaj   +1 more source

Self similar Barkhausen noise in magnetic domain wall motion [PDF]

open access: yes, 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.
B. Alessandro   +10 more
core   +1 more source

Dynamics of a ferromagnetic domain wall and the Barkhausen effect [PDF]

open access: yes, 1997
We derive an equation of motion for the the dynamics of a ferromagnetic domain wall driven by an external magnetic field through a disordered medium and we study the associated depinning transition.
A. Herpin   +37 more
core   +2 more sources

Avalanches, Barkhausen Noise, and Plain Old Criticality [PDF]

open access: yesPhysical Review Letters, 1995
12 pages, 2 PostScript figures.
Perković, Olga   +2 more
openaire   +3 more sources

Home - About - Disclaimer - Privacy