Discriminating the physical impacts of various laser pulses on the magnetic structure of oriented electrical steels

被引：3
作者：
Maloberti, O. [1 ,2 ]
Nesser, M. [2 ]
Dupuy, J. [3 ]
Dassonvalle, P. [1 ,4 ]
Fortin, J. [1 ,2 ]
Pineau, C. [5 ]
Birat, J. P. [6 ]
机构：
[1] SYMADE UNILASALLE Amiens, 14 Quai Somme, F-80080 Amiens, France
[2] Lab LTI, IUT Amiens Ave Fac Le Bailly, F-80025 Amiens, France
[3] MULTITEL Asbl, 2 Rue Pierre & Marie Curie Parc Initialis, B-7000 Mons, Belgium
[4] UPJV, Lab MIS, 14 Quai Somme, F-80080 Amiens, France
[5] IRT M2P, 4 Rue Augustin Fresnel, F-57070 Metz, France
[6] IF Steelman, 5 Rue Gate Chaux, F-57280 Semecourt, France
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2023年 / 566卷
基金：
欧洲研究理事会;
关键词：
Electrical steels; GOES; Pulsed laser; Irradiation; Scribing; Ablation; Magnetic structure; Magnetization dynamics; LOSSES;
D O I：
10.1016/j.jmmm.2022.170248
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Pulsed laser technologies with Long (LPL Irradiation), Short (SPL Scribing) and Ultra-Short (USPL Ablation) pulse duration can be used on SiFe Grain Oriented Electrical Steels (GOES) to refine the domains and reduce the power loss. The corresponding physics related to the magnetic structure is still a subject of research. This paper identifies separate characteristics responsible for the domains structure and the magnetization properties in a GOES sheet processed with the three laser pulses. Magnetic domains based properties are identified thanks to an average dynamic mu-nu c-? model, the Tensor Magnetic Phase Theory (TMPT), magnetic measurements/observa-tions with the Single Sheet Tester (SST) and the Magneto-Optical Indicator Film (MOIF) technique.
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页数：5
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