Journal
SCRIPTA MATERIALIA
Volume 68, Issue 12, Pages 1004-1007Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2013.02.058
Keywords
Quenching and partitioning; Diffusion; Thermodynamics; Steels
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The mechanism of carbon enrichment in retained austenite during the quenching and partitioning (Q&P) process is still controversial. In this paper, from direct observations at the atomic scale by atom probe tomography coupled with two-dimensional calculations, we clarify the mechanisms of Q&P. The results obtained support the partitioning of carbon from martensite to austenite as a mechanism of austenite enrichment. (C) 2013 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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