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  • Olofsson, Ulf, et al. (author)
  • Influence of leaf, humidity and applied lubrication on friction in the wheel-rail contact : pin-on-disc experiments
  • 2004
  • In: Proceedings of the Institution of mechanical engineers. Part F, journal of rail and rapid transit. - : SAGE Publications. - 0954-4097 .- 2041-3017. ; 218:3, s. 235-242
  • Journal article (peer-reviewed)abstract
    • A novel test method has been used to study how applied and natural lubrication (leaf and humidity) influences the coefficient of friction in the wheel-rail contact. A pin-on-disc tribometer placed in a climate chamber was used as the test equipment. The pin-on-disc contact simulates the wheel-rail contact caused by commuter train traffic on straight track. The results show that the coefficient of friction decreases when the relative humidity increases and decreases even more when a leaf is used as a lubricant. By using an elm leaf as the lubricant, the coefficient of friction is reduced by a factor of four compared with the unlubricated case. However, the coefficient of friction decreases even more when a rail lubricant is used.
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Type of publication
journal article (1)
Type of content
peer-reviewed (1)
Author/Editor
Olofsson, Ulf (1)
Sundvall, Krister (1)
University
Royal Institute of Technology (1)
Language
English (1)
Research subject (UKÄ/SCB)
Engineering and Technology (1)
Year
2004 (1)

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