Rubber friction on wet and dry road surfaces: The sealing effect

被引：96
作者：
Persson, BNJ
Tartaglino, U
Albohr, O
Tosatti, E
机构：
[1] Forschungszentrum Julich, IFF, D-52425 Julich, Germany
[2] SISSA, I-34014 Trieste, Italy
[3] INFM, Democritos Natl Simulat Ctr, Trieste, Italy
[4] Pirelli Deutschland AG, D-64733 Hochst Odenwald, Germany
[5] Abdus Salaam Int Ctr Theoret Phys, I-34014 Trieste, Italy
来源：
PHYSICAL REVIEW B | 2005年 / 71卷 / 03期
关键词：
D O I：
10.1103/PhysRevB.71.035428
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Rubber friction on wet rough substrates at low velocities is typically 20%-30% smaller than for the corresponding dry surfaces. We show that this cannot be due to hydrodynamics and propose an explanation based on a sealing effect exerted by rubber on substrate "pools" filled with water. Water effectively smoothens the substrate, reducing the major friction contribution due to induced viscoelastic deformations of the rubber by surface asperities. The theory is illustrated with applications related to tire-road friction.
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页数：8
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