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Structural and mechanical features of the order-disorder transition in experimental hard-sphere packings

Hanifpour, M; Francois, Nicolas; Robins, Vanessa; Kingston, Andrew; Allaei, Mehdi; Saadatfar, Mohammad


Here we present an experimental and numerical investigation on the grain-scale geometrical and mechanical properties of partially crystallized structures made of macroscopic frictional grains. Crystallization is inevitable in arrangements of monosized hard spheres with packing densities exceeding Bernal's limiting density φBernal≈0.64. We study packings of monosized hard spheres whose density spans over a wide range (0.59<φ<0.72). These experiments harness x-ray computed tomography,...[Show more]

CollectionsANU Research Publications
Date published: 2015
Type: Journal article
Source: Physical Review E-Statistical, Nonlinear and Soft Matter Physics
DOI: 10.1103/PhysRevE.91.062202


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