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Spinodal decomposition in ternary Fe-Cr-Co system
National University of Science and Technology MISIS, Russia.
National University of Science and Technology MISIS, Russia.
Linköping University, Department of Physics, Chemistry and Biology, Theoretical Physics. Linköping University, Faculty of Science & Engineering.
2017 (English)In: JOURNAL OF ALLOYS AND COMPOUNDS, ISSN 0925-8388, Vol. 695, 250-256 p.Article in journal (Refereed) Published
Abstract [en]

Using the exact muffin-tin orbitals method in conjunction with the coherent potential approximation we have studied the tendency towards spinodal decomposition of solid solution in ternary Fe-Cr-Co system. In addition, we have estimated the Curie temperature of the alloys, and considered the influence of the magnetic state on the decomposition thermodynamics of the ternary alloys. Using the mean field approximation, we have estimated the finite temperature effects on the alloys free energy. We predict that an increase Co and Cr content in the ternary Fe-Cr-Co system increases the tendency of the bcc (alpha)-FexCryCoz alloys towards the spinodal decomposition. Because of this, high magnetic properties and high thermal stability of these properties can be expected in the Fe-Cr-Co alloys with high Co content. (C) 2016 Elsevier B.V. All rights reserved.

Place, publisher, year, edition, pages
ELSEVIER SCIENCE SA , 2017. Vol. 695, 250-256 p.
Keyword [en]
First-principles simulations; Spinodal decomposition; Fe-Cr-Co alloys
National Category
Metallurgy and Metallic Materials
Identifiers
URN: urn:nbn:se:liu:diva-134299DOI: 10.1016/j.jallcom.2016.10.185ISI: 000391817600031OAI: oai:DiVA.org:liu-134299DiVA: diva2:1071711
Note

Funding Agencies|Ministry of Education and Science of the Russian Federation [RFMEFI58715X0023]; Swedish Foundation for Strategic Research (SSF) program SRL [10-0026]

Available from: 2017-02-06 Created: 2017-02-03 Last updated: 2017-02-06

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
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  • Other style
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  • de-DE
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  • nn-NB
  • sv-SE
  • Other locale
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Output format
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  • asciidoc
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