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The geometry and the number of contacts on monodisperse sphere packs using X-ray tomography

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Date

2005

Authors

Saadatfar, Mohammad
Kabla, A
Senden, Timothy
Aste, Tomaso

Journal Title

Journal ISSN

Volume Title

Publisher

A A Balkema

Abstract

The three-dimensional structure of very large samples of monodisperse bead packs is studied by means of X-Ray Computed Tomography. We retrieve the coordinatesofeach bead inthe pack and wecalculate the average coordination number by using the tomographic images to single out the neighbors in contact. The results are compared with the average coordination number obtained in Aste et al. (2005) by using a deconvolution technique. We show that the coordination number increases with the packing fraction, varying between 6.9 and 8.2 for packing fractions between 0.59 and 0.64.

Description

Keywords

Keywords: Average coordination number; Coordination number; Deconvolution techniques; Monodisperse; Monodisperse spheres; Packing fractions; Three-dimensional structure; Tomographic images; X-ray computed tomography; X-ray tomography; Micromechanics; Powders; Spher

Citation

URI

http://hdl.handle.net/1885/81572

Collections

ANU Research Publications

Source

Proceedings of International Conference on Micromechanics of Granular Media (Powders & Grains 2005)

Type

Conference paper

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