ISIJ International
Online ISSN : 1347-5460
Print ISSN : 0915-1559
ISSN-L : 0915-1559
Influences of Mn on Recrystallization Behavior and Annealing Texture Formaion in Ultralow-carbon and Low-carbon Steels
Kohsaku UshiodaNaoki YoshinagaOsamu Akisue
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1994 Volume 34 Issue 1 Pages 85-91

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Abstract

The influences of Mn of the recrystallization behavior and the formation of recrystallization texture in Ti-added ultralow-C steels were investigated and compared with that of low-C Al-killed steels. In Ti-added ultralow-C steels, Mn does not influence the recovery, the nucleation and growth rate of recrystallization, or the recrystallization. On the other hand, in low-C Al-killed steel, Mn inhibits the recovery and retards the growth rate of recrystallized grains. Consequently, the development of ND//<111> is impaired, and the intensity of ND//<110> increases after recrystallization. The differences in recrystallization behavior and annealing texture formation between the two kinds of steel were discussed from the viewpoint of the roles of precipitates and solute Mn. It was determined that Mn-C complex is the main reason for these differences.

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© The Iron and Steel Institute of Japan
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