Probing creep motion in granular materials with light scattering

被引：30
|
作者：
Djaoui, L [1 ]
Crassous, J [1 ]
机构：
[1] Ecole Normale Super Lyon, Phys Lab, F-69364 Lyon, France
来源：
GRANULAR MATTER | 2005年 / 7卷 / 04期
关键词：
creep motion; deformation and plasticity; diffusive light scattering;
D O I：
10.1007/s10035-005-0210-5
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We describe a dynamic light scattering experiment designed in order to study creep motion in granular materials. This method is based on the recording of the speckle pattern with a charge coupled device (CCD) camera. The autocorrelation function of the scattered electric field is calculated and related to the displacement field of the beads. As an application, the measurement of the thermal expansion of a granular material subjected to temperature variations is presented.
引用
收藏
页码：185 / 190
页数：6
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