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Open AccessArticle

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

1
Department of Electrical and Electronic Engineering, North China Electric Power University, Baoding 071003, China
2
State Key Laboratory of Advanced Transmission Technology, Global Energy Interconnection Research Institute Co. Ltd., Beijing 102211, China
3
Hebei Provincial Key Laboratory of Electromagnetic & Structural Performance of Power Transmission and Transformation Equipment, Baoding 071056, China
*
Author to whom correspondence should be addressed.
Materials 2019, 12(13), 2156; https://doi.org/10.3390/ma12132156
Received: 6 June 2019 / Revised: 2 July 2019 / Accepted: 2 July 2019 / Published: 4 July 2019
(This article belongs to the Special Issue Mechanical and Physical Properties of Metallic Composites)
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. View Full-Text
Keywords: GO silicon steel sheet; multisinusoidal magnetization; DC-bias; magnetostriction; acoustic noise level; three-limb laminated core; vibration GO silicon steel sheet; multisinusoidal magnetization; DC-bias; magnetostriction; acoustic noise level; three-limb laminated core; vibration
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MDPI and ACS Style

Zhao, X.; Du, Y.; Liu, Y.; Du, Z.; Yuan, D.; Liu, L. Magnetostrictive Properties of the Grain-Oriented Silicon Steel Sheet under DC-Biased and Multisinusoidal Magnetizations. Materials 2019, 12, 2156.

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