Journal
SCRIPTA MATERIALIA
Volume 59, Issue 6, Pages 635-637Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2008.05.036
Keywords
steels; solute drag; grain-boundary migration; recrystallization
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The comparative effectiveness of solute Nb and NbC particles at impeding grain-boundary motion is treated theoretically. It is shown that, for a steel containing similar to 0.05 at.% Nb (similar to 0.1 wt.% Nb), under typical recrystallization conditions, solute Nb is more effective in the ferrite, whereas in the austenite, depending on the exact recrystallization temperature, either solute Nb or NbC precipitates may be more effective. (C) 2008 Acta Materialia Me. Published by Elsevier Ltd. All rights reserved.
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