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Effect of Ni and Mn on the formation of Cu precipitates in α-Fe
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering. Institute of Quantum Materials Science, Russian Federation.ORCID iD: 0000-0001-8629-5193
Institute of Quantum Materials Science, Russian Federation.
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering. Institute of Metal Physics, Russian Federation .ORCID iD: 0000-0002-9920-5393
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering. Materials Center Leoben, Austria .
2015 (English)In: Scripta Materialia, ISSN 1359-6462, E-ISSN 1872-8456, Vol. 102, 11-14 p.Article in journal (Refereed) Published
Abstract [en]

Decomposition in bcc Fe-Cu-Ni and Fe-Cu-Mn alloys is studied using statistical thermodynamics simulations with ab initio effective interactions. It is demonstrated that magnetic state strongly affects the effective interactions in these systems, substantially increasing phase separation tendency with magnetization. Simulations show that Ni is promoting precipitation of Cu by segregating to the precipitate matrix interface, while Mn produces almost no effect distributing more homogeneously in the system. The obtained distributions of Ni and Mn are in good agreement with experimental data.

Place, publisher, year, edition, pages
2015. Vol. 102, 11-14 p.
Keyword [en]
Iron-based alloys, Fe-Cu, Precipitation, Ab initio based modeling
National Category
Materials Engineering
Identifiers
URN: urn:nbn:se:kth:diva-171667DOI: 10.1016/j.scriptamat.2015.01.016ISI: 000353090600003Scopus ID: 2-s2.0-84926218307OAI: oai:DiVA.org:kth-171667DiVA: diva2:846015
Funder
Swedish Research Council, 15339-91505-33
Note

QC 20150813

Available from: 2015-08-13 Created: 2015-08-05 Last updated: 2017-12-04Bibliographically approved
In thesis
1. Theoretical investigation of copper precipitation in steel
Open this publication in new window or tab >>Theoretical investigation of copper precipitation in steel
2015 (English)Doctoral thesis, comprehensive summary (Other academic)
Place, publisher, year, edition, pages
Stockholm: KTH Royal Institute of Technology, 2015. xii, 62 p.
National Category
Materials Engineering
Identifiers
urn:nbn:se:kth:diva-176615 (URN)978-91-7595-728-9 (ISBN)
Public defence
2015-11-13, Sal F3, Lindstedtsvägen 26, KTH, Stockholm, 10:00 (English)
Opponent
Supervisors
Note

QC 20151109

Available from: 2015-11-09 Created: 2015-11-09 Last updated: 2015-11-09Bibliographically approved

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Gorbatov, Oleg I.Korzhavyi, Pavel A.

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