MAGNETIC PROPERTIES OF Fe-Si ELECTRICAL STEEL AFTER LASER SCRIBING

被引：0

作者：

Scibisz, K. ^{[1
,2
]}

Krawczyk, J. ^{[3
]}

机构：

[1] Arcelormittal Poland SA, Unit Krakow, Tadeusza Sendzimira 1 Str, PL-31752 Krakow, Poland

[2] AGH Univ Krakow, AGH Doctoral Sch, Fac Met Engn & Comp Sci, Al Mickiewicza 30, PL-30059 Krakow, Poland

[3] AGH Univ Krakow, Fac Met Engn & Comp Sci, Al Mickiewicza 30, PL-30059 Krakow, Poland

来源：

ARCHIVES OF METALLURGY AND MATERIALS | 2024年 / 69卷 / 01期

关键词：

Grain -oriented electrical steel; magnetic domain; laser scribing; magnetic properties; Barkhausen's noises; CORE LOSS REDUCTION; PART I; TEXTURE;

D O I：

10.24425/amm.2024.149105

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

Improvement of magnetic properties of electrical steel can be achieved by reduction the size of magnetic domains. The application of local stresses through laser scribing leads to reduced core losses. In order to determine the effect of laser refinement conditions of magnetic domains on the properties of the soft magnetic material, four samples with a thickness 0.23 mm were refined. The refinement of each sample was carried out using different line energies of the laser beam. Estimation of the magnetic domain size was performed using the Jeffries method, the magnetic viewer was used to reveal the domain structure. The measurement of the magnetic properties was performed at a frequency of 50 Hz and an induction of 1.5 T. The analyzed results presented in this work indicate impact of laser refining on magnetic properties of grain oriented electrical steel depending on used laser beam energy.

引用

页码：381 / 387

页数：7

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