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  On capillary bridges in wet granular materials

Kohonen, M. M., Geromichalos, D., Scheel, M., Schier, C., & Herminghaus, S. (2004). On capillary bridges in wet granular materials. Physica A: Statistical Mechanics and its Applications, 339(1-2), 7-15. doi:10.1016/j.physa.2004.03.047.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0029-7FD8-7 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0029-7FD9-5
Genre: Journal Article

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 Creators:
Kohonen, M. M.1, Author
Geromichalos, D., Author
Scheel, Mario2, Author              
Schier, C., Author
Herminghaus, S.3, Author              
Affiliations:
1External Organizations, ou_persistent22              
2Group Geometry of Fluid Interfaces, Department of Dynamics of Complex Fluids, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society, ou_2063311              
3Group Granular matter and irreversibility, Department of Dynamics of Complex Fluids, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society, ou_2063306              

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Free keywords: Sandcastles; Wet granular materials; Liquid bridges; Capillary bridges
 Abstract: The properties of wet granular materials are significantly influenced by the presence of microscopic liquid (capillary) bridges between the constituent granules. However, despite the progress which has been made in recent years the dependence of the mechanical properties of such materials on the amount and type of liquid present is still not completely understood. At a very basic level, a better understanding of the distribution of liquid between particle contacts and particle surfaces is required. Here we describe some of our observations on liquid bridge coordination numbers and liquid bridge volumes in model granular materials consisting of glass beads. We also describe experiments on the dynamic deformation of a wet granular material, which reveal a type of shear-thinning behavior that we attribute to the shear-rate dependence of liquid bridge volumes.

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Language(s): eng - English
 Dates: 2004-08-01
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Method: -
 Identifiers: DOI: 10.1016/j.physa.2004.03.047
BibTex Citekey: kohonen_capillary_2004
 Degree: -

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Title: Physica A: Statistical Mechanics and its Applications
Source Genre: Journal
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Pages: - Volume / Issue: 339 (1-2) Sequence Number: - Start / End Page: 7 - 15 Identifier: -