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Stainless Steel Alloys from First-principles Theory
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Materials Theory.
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2012 (English)In: La Metallurgia Italiana, ISSN 0026-0843, no 5, 19-27 p.Article in journal (Refereed) Published
Abstract [en]

Gaining an accurate description of materials obviously requires the most advanced atomic-scale techniques from both experimental and theoretical areas. In spite of the vast number of available techniques, however; the experimental study of the atomic-scale properties and phenomena even in simple solids is rather difficult. In steels the challenges become more complex due to the interplay between the structural, chemical and magnetic effects. On the other hand, advanced computational methods based on density functional theory ensure a proper platform for studying the fundamental properties of steel materials from first-principles. Our group at the Royal Institute of Technology in Stockholm has an international position in developing and applying computational codes for such applications. Using our ab initio tools, we have presented an insight to the electronic and magnetic structure, and micromechanical properties of austenitic stainless steel alloys. In the present contribution, we review the most important developments within the ab initio quantum-mechanics-aided steel design with special emphasis on the role of magnetism on the fundamental properties of alloy steels.

Place, publisher, year, edition, pages
2012. no 5, 19-27 p.
Keyword [en]
First-principles theory, density functional theory, stainless steels, magnetism, stacking fault energy, elastic properties
National Category
Engineering and Technology
URN: urn:nbn:se:uu:diva-178143ISI: 000305920500004OAI: oai:DiVA.org:uu-178143DiVA: diva2:542204
Available from: 2012-07-30 Created: 2012-07-30 Last updated: 2012-07-30Bibliographically approved

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Vitos, LeventeJohansson, Börje
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