Journal
EUROPHYSICS LETTERS
Volume 75, Issue 4, Pages 624-630Publisher
EDP SCIENCES S A
DOI: 10.1209/epl/i2006-10156-y
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- Engineering and Physical Sciences Research Council [GR/S10377/01] Funding Source: researchfish
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We studied yielding in two kinds of colloidal glasses: hard spheres at high concentrations without and with a short-range interparticle attraction induced by adding non-adsorbing polymer. Our oscillatory shear and step strain measurements reveal single and two-step yielding in these two kinds of glasses, respectively. This finding is interpreted in terms of a simple picture: the breaking of local topological constraints (cages) and the breaking of nearest-neighbour bonds.
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