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An extension to the non-monotonic behaviour of previous analytical models of the scaling law between the density and the properties of entangled materials is proposed and validated using new experimental data and recent intensive computer simulations. This extension captures in particular the role that the friction between fibres plays in the hysteresis.
This aim of this paper is to present the influence of density on the mechanical behaviour of steel metallic wool. The stress–density curves follow a power–law relationship in accordance with some models. The exponent of the power–law varies from 3 to 5 with the density and this evolution is correlated with the architecture of the metallic wool.
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