Results 161 to 170 of about 1,069,208 (196)

Power laws, flicker noise, and the Barkhausen effect

Physical Review B, 1992
Abstract : The Barkhausen effect was studied in three ferromagnetic metals: an amorphous alloy, iron, and alumel. The data exhibit all the characteristics of self-organized critical behavior enumerated by Bak, Tang, and Weisenfeld: The distributions of pulse durations, areas, and energies have the form of power laws, which have been modified to account
, Meisel, , Cote
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Thermally affected characterization region by Barkhausen noise

Ultrasonics, 2000
The controlling of some industrial components require the development of new and particular nondestructive testing techniques. The testing method using Barkhausen noise (BN) is a particular one which can be applied to ferromagnetic materials. It is a magnetic nondestructive evaluation method and can provide very important information about the material
M, Zergoug, N, Boucherrou, A, Haddad, A, Benchaala, B, Moulti, H, Tahraoui, F, Sellidj, A, Hammouda   +7 more
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Magnetic Barkhausen Noise for Characterization of Recovery and Recrystallization

IEEE Transactions on Magnetics, 2010
The capacity of magnetic Barkhausen noise (MBN) measurements to characterize recovery and the onset and evolution of recrystallization processes occurring during the annealing of cold rolled low carbon steel is analyzed. Cold rolled low carbon steel samples were isothermally annealed at laboratory under different conditions in order to promote various ...
Gurruchaga-Echeverria, K. (Kizkitza), Martínez-de-Guerenu, A. (Ane), Soto, M. (Miguel), Arizti, F. (Fernando)   +3 more
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A System for Controllable Magnetic Measurements of Hysteresis and Barkhausen Noise

IEEE Transactions on Instrumentation and Measurement, 2015
A specially developed setup for precise measurement of the magnetic hysteresis and Barkhausen noise is presented in this work. A novelty of the setup consists in a unique combination of two main features: an accurate local determination of the magnetic field and an improved feedback control of the magnetization process.
Alexandr Stupakov, Oleksiy Perevertov, Vitalii Zablotskii   +2 more
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Magnetic Barkhausen Noise and Acoustic Barkhausen Emission

Abstract This article describes Magnetic Barkhausen Noise (MBN) and Acoustic Barkhausen Emission (ABE), to characterize residual stresses. The article describes measurement depth and spatial resolution, frequency measurements, and calibrations.
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Barkhausen noise in amorphous ferromagnetic materials

Physica B+C, 1977
Abstract Preliminary results on the Barkhausen noise spectra in amorphous magnetic ribbons as a function of sample shape and of temperature provide information on the clustering of Bloch wall jumps in these materials. A relation is found between noise intensity and core losses, which also suggests some hints for a new approach to the problem of ...
F. FIORILLO, P. MAZZETTI, VINAI, FRANCO, G. P. SOARDO   +3 more
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Effect of thermal fatigue on Barkhausen noise

Journal of Magnetism and Magnetic Materials, 1994
Abstract The effect of thermal fatigue of steam generator pipe material on the Barkhausen noise is investigated by the acoustic emission method. Power, zero crossing rate, frequency characteristics, and the Hurst exponent were investigated in this analysis.
M. Enokizono, A. Nishimizu
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Simulation of the magnetic Barkhausen noise

2020
Non-destructive magnetic controls are increasing in the industrial field 1. In this domain, the expectation for simulation tools able to anticipate the magnetic signature, improve the understanding and avoid fastidious and uncertain experimental pre-characterizations is high.
Fagan, Patrick, Ducharne, Benjamin, Daniel, Laurent, Skarlatos, Anastasios   +3 more
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Calibration of Barkhausen Noise for Residual Stress Measurement

2012
Industry has been searching for ways to measure residual stresses accurately, quickly and easily without damage to the material being tested. Several methods have been developed; however, these are either destructive or of limited capability. A less conventional approach, the magnetic Barkhausen noise (MBN) method, is of particular interest because of ...
Casavola C, Pappalettere C, Tursi F
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Multiple magnetization paths in Barkhausen noise

Physical Review E, 1996
, Petta, , Weissman, , O'Brien
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