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Article Dans Une Revue Scripta Materialia Année : 2009

In situ X-ray tomography observation of inhomogeneous deformation in semi-solid aluminum alloys

Résumé

The aim of this paper is to report the very first in situ observations of the deformation behaviour of an Al–Cu alloy in the semi-solid state by using ultrafast, high-resolution X-ray microtomography. It is shown that this deformation is non-homogeneous and involves an accumulation of liquid at an intergranular surface nearly perpendicular to the strain axis. Once the liquid is no longer able to feed such a region, micropores form and grow at this surface, finally leading to a crack.
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Dates et versions

hal-00389094 , version 1 (28-02-2019)

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Sofiane Terzi, Luc Salvo, Michel Suéry, Nathalie Limodin, Jérôme Adrien, et al.. In situ X-ray tomography observation of inhomogeneous deformation in semi-solid aluminum alloys. Scripta Materialia, 2009, 61 (5), pp.449-452. ⟨10.1016/j.scriptamat.2009.04.041⟩. ⟨hal-00389094⟩
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