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An investigation into the effect of slip rate on the traction coefficient behaviour with a laboratory replication of a locomotive wheel rolling sliding along a railway .pdf (2.92 MB)

An investigation into the effect of slip rate on the traction coefficient behaviour with a laboratory replication of a locomotive wheel rolling/sliding along a railway track

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This paper investigates the effect of slip rate on the traction coefficient of the wheel/rail interface using a twin-disc machine under the replicated tribological and locomotive operating conditions. The traction coefficient decreases with increasing slip rate. The interface materials of the tested samples get less time to accumulate strain hardening, resulting in a lower increase in surface hardness under a faster slip rate. The running-in period is shorter under a higher slip rate, indicating that the surface micro-geometry of the interface materials reaches a steady state faster. The wear and traction coefficient outcomes of this research could be helpful in improving locomotive traction control systems, and in increasing the safety and maintenance efficiency of railway operations.

Funding

Supercomputing to understand track buckling and related train derailments

Australian Research Council

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History

Volume

187

Start Page

1

End Page

7

Number of Pages

7

ISSN

0301-679X

Publisher

Elsevier

Additional Rights

CC BY-NC-ND

Language

en

Peer Reviewed

  • Yes

Open Access

  • Yes

Acceptance Date

2023-07-05

Author Research Institute

  • Centre for Railway Engineering

Era Eligible

  • Yes

Journal

Tribology International

Article Number

108773