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Please use this identifier to cite or link to this item: http://apo.ansto.gov.au/dspace/handle/10238/8137

Title: Force chains in monodisperse spherical particle assemblies: Three-dimensional measurements using neutrons
Authors: Wensrich, CM
Kisi, EH
Luzin, V
Garbe, U
Kirstein, O
Smith, AL
Zhang, JF
Keywords: STRESSES
NEUTRONS
TOMOGRAPHY
MAGNETISM
PARTICLES
DATA
Issue Date: 3-Oct-2014
Publisher: APS Physics
Citation: Wensrich, C. M., Kisi, E. H., Luzin, V., Garbe, U., Kirstein, O., Smith, A. L., . . . Zhang, J. F. (2014). Force chains in monodisperse spherical particle assemblies: Three-dimensional measurements using neutrons. Physical Review B, 90(4), 042203. doi: http://dx.doi.org/10.1103/PhysRevE.90.042203
Abstract: The full triaxial stress state within individual particles in a monodisperse spherical granular assembly has been measured. This was made possible by neutron imaging and computed tomography combined with neutron diffraction strain measurement techniques and associated stress reconstruction. The assembly in question consists of 549 precision steel ball bearings under an applied axial load of 85 MPa in a cylindrical die. Clear evidence of force chains was observed in terms of both the shape of the probability distribution function for normal stresses and the network formed by highly loaded particles. An extensive analysis of the source and magnitude of uncertainty in these measurements is also presented.©2014 American Physical Society.
URI: http://dx.doi.org/10.1103/PhysRevE.90.042203
http://apo.ansto.gov.au/dspace/handle/10238/8137
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