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首页> 外文会议>Proceedings of the ASME/STLE international joint tribology conference 2009 >FRICTION CHARACTERISTICS OF POROUS RUBBER UNDER WET CONDITIONS
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FRICTION CHARACTERISTICS OF POROUS RUBBER UNDER WET CONDITIONS

机译：潮湿条件下多孔橡胶的摩擦特性

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摘要

In recent years, porous rubber has been used as a tread matrix for studless tires. It is said that the pores in the tread rubber remove water between the tire and the wet road surface; however, the water removal is not sufficiently well understood. In this study, a rotating rubber specimen was rubbed against a mating prism to observe the contact surface. The friction force was also measured simultaneously with observation of contact surface. The water entering the pores was distinguished by the continuity method. As the result of these experiments, the coefficient of friction for rubber having pores on the surface was found to be larger than that of rubber without pores. Moreover, the difference in the coefficient of friction for rubber specimens with and without pores tended to be larger at lower sliding speeds. No water entered pores 3mm or less in diameter at any sliding speed in this experiment. An experiment to make the rubber specimen collide with the mating prism was conducted since actual tires seem to be deformed by the vehicle weight, such that the tire surface might contact the road collisionally. In the resulting collision experiment, the water did enter pores 3mm in diameter.
机译：近年来，多孔橡胶已被用作无钉轮胎的胎面基质。据说胎面胶中的气孔可以去除轮胎和湿路面之间的水分；然而，对除水的了解还不够。在这项研究中，将一个旋转的橡胶样品摩擦在一个配合棱镜上，以观察其接触表面。在观察接触表面的同时还测量了摩擦力。进入毛孔的水用连续性法进行了区分。作为这些实验的结果，发现在表面上具有孔的橡胶的摩擦系数大于没有孔的橡胶的摩擦系数。此外，有和没有孔的橡胶样品的摩擦系数差异在较低的滑动速度下往往会更大。在该实验中，没有水以任何滑动速度进入直径为3mm或更小的孔中。由于实际轮胎似乎因车辆重量而变形，因此轮胎表面可能会与路面发生碰撞，因此进行了使橡胶样品与对接棱镜碰撞的实验。在碰撞实验中，水确实进入了直径3mm的孔中。

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