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Please use this identifier to cite or link to this item: http://hdl.handle.net/1959.3/82257
- Title
- Rail surface fatigue and wear
- Author(s)
- Fletcher, D. I.; Franklin, F. J.; Kapoor, A.
- Abstract
- Detailed metallurgical investigations of worn rails and test discs show that rolling contact fatigue (RCF) crack initiation and early propagation are strongly influenced by microstructure. Also, normally benign, ductile inclusions near and at the rail surface can weaken the microstructure when transversely strain-flattened. The effect of different rail steel grades has been shown and modelled in 2D. Early surface wear 'flaking' and RCF cannot be fully modelled in 2D, given the granular nature of the formative and final microstructures, so 3D aspects of this early crack growth are examined and 3D models of the initial and strained metallurgical structures are being developed.
- Publication type
- Book chapter
- Research centre
- Swinburne University of Technology
- Source
- Wheel-rail interface handbook / R. Lewis and U. Olofsson (eds.), Chapter 9, pp. 281-310
- Publication year
- 2009
- FOR Code(s)
- 091308 Solid Mechanics; 091309 Tribology
- Keyword(s)
- Pearlitic rail steel; Ratcheting; Rolling contact fatigue; Wear
- Publisher
- Woodhead Publishing Limited and CRC Press
- ISBN
- 9781845694128
- Publisher URL
- http://www.woodheadpublishing.com/en/book.aspx?bookID=1477
- Copyright
- Copyright © 2009 Woodhead Publishing Limited.
- Peer reviewed
