Copper Precipitation in Cobalt-Alloyed Precipitation-Hardened Stainless Steel

Author

Arpana S. Murthy
Julia E. Medvedeva, Missouri University of Science and TechnologyFollow
Dieter Isheim
Semen Naumovich Lekakh, Missouri University of Science and TechnologyFollow
Von Richards, Missouri University of Science and TechnologyFollow
David C. Van Aken, Missouri University of Science and TechnologyFollow

Abstract

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. © 2012 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.

Recommended Citation

A. S. Murthy et al., "Copper Precipitation in Cobalt-Alloyed Precipitation-Hardened Stainless Steel," Scripta Materialia, Elsevier, Jan 2012.

The definitive version is available at https://doi.org/10.1016/j.scriptamat.2012.02.039

Department(s)

Physics

Second Department

Materials Science and Engineering

Research Center/Lab(s)

Peaslee Steel Manufacturing Research Center

International Standard Serial Number (ISSN)

1359-6462

Document Type

Article - Journal

Document Version

Citation

File Type

text

Language(s)

English

Rights

© 2012 Elsevier, All rights reserved.

Publication Date

01 Jan 2012