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Influence of Lubricated Rolling/Sliding Tribotesting on Hydrogen Trapping in 100Cr6 Bearing Steel
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Machine Elements.ORCID iD: 0000-0003-1961-2632
Department of Materials Development, Corrosion and Hydrogen Embrittlement Group, Swerim AB, Kista, Sweden.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Machine Elements.ORCID iD: 0000-0003-3123-0303
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Material Science.ORCID iD: 0000-0001-5921-1935
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2024 (English)In: Tribology letters, ISSN 1023-8883, E-ISSN 1573-2711, Vol. 72, no 3, article id 69Article in journal (Refereed) Published
Abstract [en]

As hydrogen reduces the fatigue life of 100Cr6 bearing steel significantly, extensive research on the interaction of hydrogen with 100Cr6 is necessary. This study investigated the influence of rolling/sliding tribotesting performed on a micro-pitting-rig on the hydrogen absorption and trapping behaviour of 100Cr6 bearing steel. Thermal desorption mass spectrometry was used to compare the hydrogen desorption spectra of 100Cr6 samples after tribological tests and static heated oil-immersion tests to untested reference samples. The approach was chosen to further understand the influence of both microstructural deformation as well as steel-oil contact on the hydrogen absorption and trapping behaviour of 100Cr6. The tribological test showed a stable friction behaviour and mild wear which was dominated by local plastic deformation of surface asperities. Despite the mild wear, a change in de-trapping temperatures was found for tribotested samples compared to oil-immersed and untested reference samples. This finding indicates that even mild tribotesting conditions alter the hydrogen trapping behaviour of 100Cr6 bearing steel.

Place, publisher, year, edition, pages
Springer Nature, 2024. Vol. 72, no 3, article id 69
Keywords [en]
100Cr6, Hydrogen embrittlement, Hydrogen trapping, Rolling element bearings
National Category
Tribology (Interacting Surfaces including Friction, Lubrication and Wear) Manufacturing, Surface and Joining Technology
Research subject
Machine Elements; Engineering Materials; Centre - Center for Hydrogen Energy Systems Sweden (CH2ESS)
Identifiers
URN: urn:nbn:se:ltu:diva-106136DOI: 10.1007/s11249-024-01871-3Scopus ID: 2-s2.0-85195154152OAI: oai:DiVA.org:ltu-106136DiVA, id: diva2:1868257
Funder
Luleå University of Technology
Note

Validerad;2024;Nivå 2;2024-06-11 (hanlid);

Funder: SKF AB; Centre for Hydrogen Energy Systems Sweden (CH2ESS); Creaternity;

Full text license: CC BY

Available from: 2024-06-11 Created: 2024-06-11 Last updated: 2024-06-11Bibliographically approved

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Weniger, Lisa-MariePelcastre, LeonardoÅkerfeldt, PiaHardell, Jens

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1617181920212219 of 79
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