Solute redistribution in the nanocrystalline structure formed in bearing steels

Kang, J. H. and Hosseinkhani, B. and Williams, C. A. and Moody, M. P. and Bagot, P. A.J. and Rivera-Díaz-Del-Castillo, P. E.J. (2013) Solute redistribution in the nanocrystalline structure formed in bearing steels. Scripta Materialia, 69 (8). pp. 630-633. ISSN 1359-6462

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Abstract

The microstructural alteration in a white etching area (WEA) formed during rolling contact fatigue of a 1C-1.8Cr steel (wt.%) is studied. A uniform nanocrystalline structure with scattered carbide particles is observed. Si and C atoms segregate to different regions in the cell boundaries, implying a repelling behaviour. Carbon-rich clusters were identified but contained less than 25 at.%C. It is suggested that the interaction between Si and C should be considered in the mechanism for microstructural decay.

Item Type:
Journal Article
Journal or Publication Title:
Scripta Materialia
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/3100/3104
Subjects:
ID Code:
125559
Deposited By:
Deposited On:
25 May 2018 12:56
Refereed?:
Yes
Published?:
Published
Last Modified:
25 Feb 2020 08:21