A study of primary recrystallization of highly permeable electrical anisotropic steel with additional alloying elements

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Abstract

This study is devoted to the effect of alloying high-permeable electrical anisotropic steel with tin and chromium highly permeable electrical anisotropic steel with tin and chromium on the kinetics of primary recrystallization. The physical modeling of strongly deformed alloy specimens of different chemical composition is performed. The obtained recrystallization kinetics equations for alloys of different tin and chromium content show a deceleration of recrystallization process in a steel with an increased tin content and a decreased chromium content. Analysis of the texture at different stages of recrystallization allows making conclusion that the texture is formed predominately by oriented growth.

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About the authors

A. S. Roldugina

Novolipetsk Steel Company

Author for correspondence.
Email: rolduginaas@gmail.com
Russian Federation, Lipetsk, 398005

M. V. Ryazanov

Novolipetsk Steel Company

Email: rolduginaas@gmail.com
Russian Federation, Lipetsk, 398005

V. I. Parakhin

Bardin Central Research Institute of Ferrous Metals

Email: rolduginaas@gmail.com
Russian Federation, Moscow, 105005

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Supplementary files

Supplementary Files
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2. Fig. 1. EBSD maps in inverse pole figure (IPF) colors showing the structure after heating to different temperatures for steel A (a–g) and steel B (d–h).

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3. Fig. 2. EBSD maps in inverse pole figure colors taken at 1/10 (a) and 1/2 (b) of the sample thickness.

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4. Fig. 3. Dependence of the proportion of recrystallized grains on the annealing duration for steels A and B according to calculated (lines) and experimental (symbols) values.

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5. Fig. 4. Sections of the FRO for recrystallization nuclei (a) and for coarse recrystallized grains (b) at temperatures of 650–690°C.

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6. Fig. 5. EBSD map in OPF colors from a sample heated to 740°C (a), and examples of the separation of small (b), medium (c), and large (d) grains from the original map (a).

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7. Fig. 6. Sections of the FRO with small (a), medium (b) and large (c) grains during recrystallization at a temperature of 700–740°C.

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8. Fig. 7. Section of the FRO obtained at the last stage of recrystallization at 740°C.

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