Geodesic
Modification of the structure and properties of electrical steel by laser radiation
Problemy fiziki, matematiki i tehniki, no. 2 (2024), pp. 27-31

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The results of studying the structure and properties of electrical steels modified by laser radiation are presented. The steels with silicon content of 6.67% and 3.32% were used as the object of the study. The steels were irradiated with laser radiation generated by a GOR-100M ruby laser with a flux density of 104 W/cm$^2$ and 105 W/cm$^2$. By the method of XRD analysis, it was found that the laser irradiation with selected flux densities of the silicon electrical steels did not lead to a change in the structural-phase state. The coherent crystalline domain sizes and the dislocation density of steels were calculated. It is shown that the coherent crystalline domain sizes increase after laser irradiation and dislocation density decreases. The data obtained by XRD analysis correlate with decreasing in microhardness.
Keywords: electrical steel, laser radiation, hardness, X-ray phase analysis, corrosion resistance.
Mots-clés : structure 
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     title = {Modification of the structure and properties of electrical steel by laser radiation},
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     pages = {27--31},
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     year = {2024},
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     url = {http://geodesic.mathdoc.fr/item/PFMT_2024_2_a4/}
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N. I. Moroz; N. G. Valko; S. V. Vasilyev. Modification of the structure and properties of electrical steel by laser radiation. Problemy fiziki, matematiki i tehniki, no. 2 (2024), pp. 27-31. http://geodesic.mathdoc.fr/item/PFMT_2024_2_a4/