Effect of Deoxidation on Low-Alloy Steel Nonmetallic Inclusion Composition


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Results are provided for an experimental study of the effect of deoxidation on the composition of nonmetallic inclusions in pipe steels melted in a vacuum induction furnace with a periclase lining. Thermodynamic calculations are made for oxygen activity within melts with lanthanum, cerium, aluminum, and yttrium for the metal of four melts. Conditions are evaluated for magnesium spinel inclusion formation in relation to deoxidant used and the extent of deoxidation. The effect is demonstrated of reduced aluminum concentration during metal ladle treatment on nonmetallic inclusion composition and the possibility of modifying them in the course of an industrial pipe steel melt.

Sobre autores

G. Serov

FGAOU VO NITU MISiS

Email: elena.sidorova91@gmail.com
Rússia, Moscow

A. Komissarov

FGAOU VO NITU MISiS

Email: elena.sidorova91@gmail.com
Rússia, Moscow

S. Tikhonov

FGAOU VO NITU MISiS

Email: elena.sidorova91@gmail.com
Rússia, Moscow

E. Sidorova

FGAOU VO NITU MISiS

Autor responsável pela correspondência
Email: elena.sidorova91@gmail.com
Rússia, Moscow

V. Kushnerev

OOOGruppa Magnezit

Email: elena.sidorova91@gmail.com
Rússia, Moscow

P. Mishnev

PAO Severstal’

Email: elena.sidorova91@gmail.com
Rússia, Cherepovets

D. Kuznetsov

FGAOU VO NITU MISiS

Email: elena.sidorova91@gmail.com
Rússia, Moscow

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