Aging in humid granular media -: art. no. 021304

被引：23
|
作者：
Restagno, F
Ursini, C
Gayvallet, H
Charlaix, É
机构：
[1] Ecole Normale Super Lyon, Phys Lab, F-69364 Lyon 07, France
[2] Univ Lyon 1, Dept Phys Mat, F-69622 Villeurbanne, France
来源：
PHYSICAL REVIEW E | 2002年 / 66卷 / 02期
关键词：
D O I：
10.1103/PhysRevE.66.021304
中图分类号：
O35 [流体力学]; O53 [等离子体物理学];
学科分类号：
070204 ; 080103 ; 080704 ;
摘要：
Aging behavior is an important effect in the friction properties of solid surfaces. In this paper we investigate the temporal evolution of the static properties of a granular medium by studying the aging over time of the maximum stability angle of submillimetric glass beads. We report the effect of several parameters on these aging properties, such as the wear on the beads, the stress during the resting period, and the humidity content of the atmosphere. Aging effects in an ethanol atmosphere are also studied. These experimental results are discussed at the end of the paper.
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页数：7
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