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Evidence of large magnetostructural effects in austenitic stainless steels
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering, Applied Material Physics.ORCID iD: 0000-0003-2832-3293
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering, Applied Material Physics.ORCID iD: 0000-0002-9920-5393
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering, Applied Material Physics.
2006 (English)In: Physical Review Letters, ISSN 0031-9007, E-ISSN 1079-7114, Vol. 96, no 11, 117210- p.Article in journal (Refereed) Published
Abstract [en]

The surprisingly low magnetic transition temperatures in austenitic stainless steels indicate that in these Fe-based alloys magnetic disorder might be present at room temperature. Using a first-principles approach, we have obtained a theoretical description of the stacking fault energy in Fe100-c-nCrcNin alloys as a function of composition and temperature. Comparison of our results with experimental databases provides a strong evidence for large magnetic fluctuations in these materials. We demonstrate that the effects of alloying additions on the structural properties of steels contain a dominant magnetic contribution, which stabilizes the most common austenitic steels at normal service conditions.

Place, publisher, year, edition, pages
2006. Vol. 96, no 11, 117210- p.
Keyword [en]
stacking-fault energy, curie-temperature, phase-diagram, iron, alloys, metals, model, transformation, dependence, carbon
National Category
Condensed Matter Physics Metallurgy and Metallic Materials
Identifiers
URN: urn:nbn:se:kth:diva-15546DOI: 10.1103/PhysRevLett.96.117210ISI: 000236249900068Scopus ID: 2-s2.0-33645152937OAI: oai:DiVA.org:kth-15546DiVA: diva2:333587
Note

QC 20100525

Available from: 2010-08-05 Created: 2010-08-05 Last updated: 2017-12-12Bibliographically approved

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Vitos, LeventeKorzhavyi, Pavel A.

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