Paper: Observation of Water Behavior In the Contact Area Between Porous Rubber and Mating Surface During Sliding (30th Annual Meeting & Conference on Tire Science & Technology)

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30th Annual Meeting & Conference on Tire Science & Technology

Akron/Fairlawn Hilton Hotel: Akron, OH, USA

Tuesday, September 13, 2011: 2:50 PM

Akron/Summit Ballroom (Akron/Fairlawn Hilton Hotel)

Yusuke Minami¹, Tomoaki Iwai² and Yutaka Shoukaku¹, (1)Kanazawa University, Tribology Laboratory, Natural Sciense and Technology, Graduate school of Kanazawa University, Kanazawa, Ishikawa, Japan, (2)Kanazawa University, Natural Science and Technology,Kanazawa University College, Kanazawa, Ishikawa, Japan

Porous rubber is often used as the tread rubber of studless tires because of its higher coefficient of friction on icy surfaces, which is due to the larger real contact area resulting from its lower elastic modulus.

It is also said that the real contact area is increased by the water absorption into the pores. Relatively few studies have been reported on the water behavior around the pores.

The purpose of this study was to clarify the effect of pores during sliding under wet conditions.As a result the absorption of water into the pores was not observed in this model. The pore contained an air bubble during the sliding. The water flow circumventing the air bubble above in the pore was also observed.

30th Annual Meeting & Conference on Tire Science & Technology

Akron/Fairlawn Hilton Hotel: Akron, OH, USA

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