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Title: High strain rate superplasticity in a continuously recrystallized Al-6%Mg-0.3%Sc alloy
Authors: Wadsworth, J.
Kaibyshev, R.
Nieh, T. G.
Hsiung, L. M.
Keywords: technique
metal science
superplastic deformation
static recrystallization
dynamic recrystallization
Issue Date: 1998
Citation: High strain rate superplasticity in a continuously recrystallized Al-6%Mg-0.3%Sc alloy / T.G. Nieh, L.M. Hsiung, ... R. Kaibyshev et al. // Acta materialia. - 1998. - Vol.46, N8.-P. 2789-2800.
Abstract: The superplastic properties of a cold-rolled Al±6Mg±0.3Sc alloy were studied at temperatures between 450 and 5608C and strain rates between 10⁻⁴ and 100⁰ s⁻¹. The alloy was observed to exhibit super- plasticity over wide temperature (475±5208C). It was found that the addition of Sc to Al±Mg alloys resulted in a uniform distribution of fine coherent Al₃Sc precipitates which effectively pinned subgrain and grain boundaries during static and dynamic recrystallization. In this paper, the microstructural evolution during superplastic deformation was systematically examined using both opti- cal and transmission electron microscopy
Appears in Collections:Статьи из периодических изданий и сборников (на иностранных языках) = Articles from periodicals and collections (in foreign languages)

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