scholarly journals Measuring system for magnetostriction of silicon steel sheet under AC excitation using optical methods

1998 ◽  
Vol 34 (4) ◽  
pp. 2072-2074 ◽  
Author(s):  
T. Nakase ◽  
M. Nakano ◽  
K. Fujiwara ◽  
N. Takahashi
Keyword(s):  
Steel Sheet ◽  
Silicon Steel ◽  
Measuring System ◽  
Optical Methods ◽  
Ac Excitation

scholarly journals Magnetostrictive Properties of the Grain-Oriented Silicon Steel Sheet under DC-Biased and Multisinusoidal Magnetizations

Materials ◽  
2019 ◽  
Vol 12 (13) ◽  
pp. 2156
Author(s):  
Xiaojun Zhao ◽  
Yutong Du ◽  
Yang Liu ◽  
Zhenbin Du ◽  
Dongwei Yuan ◽  
...  
Keyword(s):  
Magnetic Field ◽  
Steel Sheet ◽  
Acoustic Noise ◽  
Intrinsic Property ◽  
Measured Data ◽  
Silicon Steel ◽  
Measuring System ◽  
Magnetic Flux Density ◽  
Measurement Results ◽  
Dc Bias

As an intrinsic property, elasticity of soft material is affected significantly by the externally applied alternating magnetic field. Magnetostrictive properties of the grain-oriented (GO) silicon steel under DC-biased and multisinusoidal magnetizations are measured by using a laser-based measuring system. Magnetostriction curves of the GO silicon steel sheet under different magnetizations are obtained and the influence of frequency and DC bias on the magnetostrictive property is observed and analyzed based on the measured data. In addition, the spectrum of magnetostriction under harmonic magnetization is obtained, and the acoustic noise level of the GO silicon steel sheet represented by the A-weighted decibel value caused by magnetostriction is measured under DC-biased and multisinusoidal magnetizations. The measurement results are applied to the simulation of the three-limb laminated core model, and the effects of DC bias and harmonics on magnetic flux density and displacement are analyzed.

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