Journal
SCRIPTA MATERIALIA
Volume 66, Issue 11, Pages 943-946Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2012.02.039
Keywords
3DAP; Stainless steels; First-principle electron theory; Casting; Precipitation
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Funding
- Benet Laboratories
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The influence of cobalt addition on precipitation of copper in a high-strength stainless steel was investigated using three-dimensional atom probe tomography. A decrease in copper precipitate size with narrowed distribution was observed in cobalt-containing steel. The concentration profile across the precipitate matrix interface indicated rejection of cobalt atoms from the copper precipitates. This behavior was explained with first-principles calculations using energy-minimization criterion. (C) 2012 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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