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Cohesion-controlled granular material.

作者信息

Gans Adrien, Pouliquen Olivier, Nicolas Maxime

机构信息

Aix Marseille Univ, CNRS, IUSTI, Marseille, France.

出版信息

Phys Rev E. 2020 Mar;101(3-1):032904. doi: 10.1103/PhysRevE.101.032904.

DOI:10.1103/PhysRevE.101.032904
PMID:32289955
Abstract

We present a simple method to prepare a granular material with a controlled cohesion between particles. The granular material is made of spherical glass beads coated with a polyborosiloxane polymer. This material is proved to be stable in time and nonsensitive to temperature and humidity. The interparticle force is measured and related to the size of the grain and the polymer coating thickness. Classical measurements (packing fraction, repose angle, macroscopic cohesion) are performed with this cohesion-controlled granular material. This model material opens many perspectives to study in a controlled manner the flow of cohesive grains.

摘要

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