Concerning the final aim, that is to make clear the mechanism of the wear mode transition from mild to severe belong to the increase of contact pressure in adhesive wear, estimation of the yielding condition in subsurface under contact boundary between rough surfaces was attempted in this study. Especially the effects of interaction between neighboring contacts as well as relative sliding on the yielding area were focused. The contacts between asperities were modeled by the contact between two neighboring hard wedges with the parallel axes and soft plane to be simplified. These models were calculated by commercial FEM solver in 2-dimension. Additionally, the effect of the difference between the heights of two wedges on the yielding region was evaluated by comparing the result with that obtained from the simple model of two wedges with the same height in non-sliding contact. The results showed that the effect of the interaction between adjacent contacts and existence of relative slip motion give significant factors to the yielding state, on the other hand, the height difference between neighboring asperities affects little the determination of the yielding region.
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World Tribology Congress III
September 12–16, 2005
Washington, D.C., USA
Conference Sponsors:
- Tribology Division
ISBN:
0-7918-4201-0
PROCEEDINGS PAPER
The Effect of Interaction Between Neighboring Asperity Contacts on Wear Mode Transition in Sliding Contact of Rough Surfaces
Tomohisa Tanaka,
Tomohisa Tanaka
Tokyo Institute of Technology, Tokyo, Japan
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Chikara Yamanaka,
Chikara Yamanaka
Tokyo Institute of Technology, Tokyo, Japan
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Keiji Kyogoku,
Keiji Kyogoku
Tokyo Institute of Technology, Tokyo, Japan
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Tsunamitsu Nakahara
Tsunamitsu Nakahara
Tokyo Institute of Technology, Tokyo, Japan
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Tomohisa Tanaka
Tokyo Institute of Technology, Tokyo, Japan
Chikara Yamanaka
Tokyo Institute of Technology, Tokyo, Japan
Keiji Kyogoku
Tokyo Institute of Technology, Tokyo, Japan
Tsunamitsu Nakahara
Tokyo Institute of Technology, Tokyo, Japan
Paper No:
WTC2005-63617, pp. 109-110; 2 pages
Published Online:
November 17, 2008
Citation
Tanaka, T, Yamanaka, C, Kyogoku, K, & Nakahara, T. "The Effect of Interaction Between Neighboring Asperity Contacts on Wear Mode Transition in Sliding Contact of Rough Surfaces." Proceedings of the World Tribology Congress III. World Tribology Congress III, Volume 1. Washington, D.C., USA. September 12–16, 2005. pp. 109-110. ASME. https://doi.org/10.1115/WTC2005-63617
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