High friction of rubber caused by negative fluid pressure under glycerol lubrication

被引：2
作者：
Ishizako, Arata [1 ,3 ]
Nishi, Toshiaki [1 ]
Yamaguchi, Takeshi [1 ,2 ]
机构：
[1] Tohoku Univ, Grad Sch Engn, Sendai, Miyagi, Japan
[2] Tohoku Univ, Grad Sch Biomed Engn, Sendai, Miyagi, Japan
[3] 6-6-01 Aramaki Aza Aoba,Aoba Ku, Sendai, Miyagi 9808579, Japan
来源：
TRIBOLOGY INTERNATIONAL | 2024年 / 192卷
关键词：
Rubber; Lubrication; Fluid pressure; Hydrodynamics; SLIDING FRICTION; FOOTWEAR; COEFFICIENT; ORIENTATION; TRACTION; FLOORS; WIDTH;
D O I：
10.1016/j.triboint.2023.109213
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
The friction coefficient, tread block deformation, and fluid pressure of rubber specimens at the contact interface between them and a glass plate under glycerol lubrication with different end-face corner radii of the tread blocks were experimentally measured. The friction coefficient increased as the end-face corner radius decreased. The tread blocks were deformed due to friction, and a negative fluid pressure formed at the contact interface. The friction coefficient was positively correlated with the resultant normal force of the normal load and the fluid force. Therefore, controlling the fluid pressure by changing tread blocks' end-face corner radius will enhance their friction under lubrication.
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页数：14
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