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Advanced Heat Treatments and Complex Ferritic Structures for Bearing Steels
Department of Physical Metallurgy, National Center for Metallurgical Research (CENIM-CSIC), Madrid, Spain.
Eurecat Centre Tecnològic de Catalunya, Spain.
Asco Industries Research (CREAS), Hagondange, France.
Department of Physical Metallurgy, National Center for Metallurgical Research (CENIM-CSIC), Madrid, Spain.ArcelorMittal Global R&D, SLab—Steel Labs, Avilés, Spain.
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2019 (English)In: Metals, E-ISSN 2075-4701, Vol. 9, no 11, article id 1137Article in journal (Refereed) Published
Abstract [en]

Nanostructured bainitic steels exhibit an optimum strength/toughness combination as a consequence of their extremely fine structure. They have also demonstrated potential for wear-resistance applications. The aim of this work was to develop bearing steels by the multi-scale control of complex ferritic structures, designed using atomic transformation theory and processed by novel heat treatments. Based on the results, the new ball bearings outperformed conventional grades, approaching more expensive material options. 

Place, publisher, year, edition, pages
MDPI, 2019. Vol. 9, no 11, article id 1137
Keywords [en]
steel, bainite, ultra-high strength, wear resistance, ball bearings
National Category
Other Materials Engineering
Research subject
Engineering Materials
Identifiers
URN: urn:nbn:se:ltu:diva-76774DOI: 10.3390/met9111137Scopus ID: 2-s2.0-85074235869OAI: oai:DiVA.org:ltu-76774DiVA, id: diva2:1371474
Note

Validerad;2019;Nivå 2;2019-11-20 (johcin)

Available from: 2019-11-20 Created: 2019-11-20 Last updated: 2019-11-20Bibliographically approved

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Moghaddam, Pouria ValizadehVuorinen, Esa

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