Advanced Heat Treatments and Complex Ferritic Structures for Bearing Steels

Document identifier: oai:DiVA.org:ltu-76774
Access full text here:10.3390/met9111137
Keyword: Engineering and Technology, Materials Engineering, Other Materials Engineering, Teknik och teknologier, Materialteknik, Annan materialteknik, Steel, Bainite, Ultra-high strength, Wear resistance, Ball bearings, Engineering Materials
Publication year: 2019
Abstract:

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. 

Authors

Francisca G. Caballero

Department of Physical Metallurgy, National Center for Metallurgical Research (CENIM-CSIC), Madrid, Spain
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Jaume Pujante

Eurecat Centre Tecnològic de Catalunya, Spain
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Thomas Sourmail

Asco Industries Research (CREAS), Hagondange, France
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Rosalia Rementeria

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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David De-Castro

Department of Physical Metallurgy, National Center for Metallurgical Research (CENIM-CSIC), Madrid, Spain
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Pierre Dierickx

Asco Industries Research (CREAS), Hagondange, France
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Giselle Ramírez

Eurecat Centre Tecnològic de Catalunya, Spain
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Christine Sidoroff-Coicaud

NTN-SNR Rulements SA, Annecy, France
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Pouria Valizadeh Moghaddam

Luleå tekniska universitet; Maskinelement
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Esa Vuorinen

Luleå tekniska universitet; Materialvetenskap
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