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Large magnetoelastic effects in paramagnetic stainless steels from first principles
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.
2009 (English)In: Physical Review B. Condensed Matter and Materials Physics, ISSN 1098-0121, E-ISSN 1550-235X, Vol. 79, no 2Article in journal (Refereed) Published
Abstract [en]

Using first-principles theories, we demonstrate that the elastic properties of substitutional disordered Fe-rich Fe-Cr-Ni alloys (austenitic stainless steels) sensitively depend on their magnetic state. Due to the strong magnetoelastic effects in paramagnetic Fe0.70Cr0.15Ni0.15 alloy, the room-temperature magnetism is found to alter the usually dominating chemical effects and give a large anomalous contribution to the temperature dependence of the elastic constants.

Place, publisher, year, edition, pages
2009. Vol. 79, no 2
Keyword [en]
ab initio calculations, chromium alloys, elasticity, iron alloys, magnetoelastic effects, nickel alloys, paramagnetic materials, stainless steel, elastic-constants, 1st-principles theory, transition-metals, potential, model, alloys, temperature, iron, approximation, magnetism, fe
Identifiers
URN: urn:nbn:se:kth:diva-18143DOI: 10.1103/PhysRevB.79.024415ISI: 000262978100060Scopus ID: 2-s2.0-59249107789OAI: oai:DiVA.org:kth-18143DiVA: diva2:336189
Note
QC 20100525Available from: 2010-08-05 Created: 2010-08-05 Last updated: 2011-01-17Bibliographically approved

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Vitos, Levente

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