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Fretting fatigue of a shrink-fit pin subjected to rotating bending: Experiments and simulations
KTH, School of Engineering Sciences (SCI), Solid Mechanics (Dept.), Solid Mechanics (Div.).ORCID iD: 0000-0001-6896-1834
2009 (English)In: International Journal of Fatigue, ISSN 0142-1123, E-ISSN 1879-3452, Vol. 31, no 10, p. 1559-1570Article in journal (Refereed) Published
Abstract [en]

Fretting fatigue initiation was studied for a shrink-fit pin at rotating bending. Eight assemblies with four different grips were manufactured from soft normalized steel and tested at loads well below bending endurance. All pins displayed rust-red fretting oxides deep into the contact and black oxidised fretting scars with fretting fatigue cracks at the rim. The slip evolution was simulated in a three-dimensional FE model including assembly, bending and sufficiently many rotations to reach a steady-state. The extension of cyclic slip agreed with the black oxidised scar. Deeper into the contact a monotonic slip developed to the positions with rust-red oxides. Asymmetric slip and traction on the interface sides together with a slight twist of the pin in the hub and the slip development process, illustrated that a three-dimensional analysis was required for the interface. Both the stress amplitude and the Findley multi-axial criterion predicted fretting fatigue of the pin although the rotating bend stress was well below the endurance limit.

Place, publisher, year, edition, pages
2009. Vol. 31, no 10, p. 1559-1570
Keyword [en]
Fretting fatigue, Fretting oxides, Shrink-fit, Rotating bending, Slip, crack growth, railway axles, shaft, strength, contact, initiation, stresses, friction, criteria, failure
Identifiers
URN: urn:nbn:se:kth:diva-18710DOI: 10.1016/j.ijfatigue.2009.04.019ISI: 000269271100012Scopus ID: 2-s2.0-67650995965OAI: oai:DiVA.org:kth-18710DiVA, id: diva2:336757
Note
QC 20100525Available from: 2010-08-05 Created: 2010-08-05 Last updated: 2017-12-12Bibliographically approved

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Alfredsson, Bo

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CiteExportLink to record
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Citation style
  • apa
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More styles
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  • de-DE
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  • nn-NB
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  • Other locale
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Output format
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