Abstract
An alloy design concept leading to an improved ridging resistance in the transformable ferritic stainless steels is introduced. It is based on achieving a small γ-phase fraction at the ingot soaking temperature. The γ-phase fraction is then increased to a maximum value during the early stages of hot rolling. The nucleation of γ-phase islands in the ferritic matrix increases the fraction of transformed ferrite. The multiplicity of crystallographic orientations resulting from the α→γ and γ→α transformations leads to a pronounced weakening of the as-cast texture and an increased ridging resistance.
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Manuscript submitted January 3, 2011.
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Mola, J., Jung, I., Park, J. et al. Ridging Control in Transformable Ferritic Stainless Steels. Metall Mater Trans A 43, 228–244 (2012). https://doi.org/10.1007/s11661-011-0824-7
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DOI: https://doi.org/10.1007/s11661-011-0824-7