Tetsu-to-Hagane
Online ISSN : 1883-2954
Print ISSN : 0021-1575
ISSN-L : 0021-1575
Regular Article
Effect of Mg Addition on Equiaxed Grain Formation in Ferritic Stainless Steel
Ken KimuraShigeo FukumotoGenichi ShigesatoAkihiko Takahashi
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2012 Volume 98 Issue 11 Pages 601-609

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Abstract

Effect of Mg and Ti addition on the solidification macrostructure of ferritic stainless steel was evaluated in order to obtain the fine equiaxed grains. Equiaxed solidification was promoted by adding Mg and Ti. Ti addition affects the amount of TiN as a nucleation agent of δ-Fe and the increase in constitutional undercooling. Mg addition produces Spinel oxide in the molten steel, which accelerate the TiN formation. [Al] content also have an influence on the equiaxed grain formation.

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© 2012 The Iron and Steel Institute of Japan
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