Influence of Natural Ageing and Deformation on Precipitation in an Al– C u– L i Alloy | Zendy

Decreus Benjamin | Zendy; Deschamps Alexis | Zendy; de Geuser Frédéric | Zendy; Sigli Christophe | Zendy

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Influence of Natural Ageing and Deformation on Precipitation in an Al– C u– L i Alloy

Author(s) -

Decreus Benjamin,

Deschamps Alexis,

de Geuser Frédéric,

Sigli Christophe

Publication year - 2013

Publication title -

advanced engineering materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.938

H-Index - 114

eISSN - 1527-2648

pISSN - 1438-1656

DOI - 10.1002/adem.201300098

Subject(s) - materials science , alloy , ageing , precipitation , precipitation hardening , metallurgy , deformation (meteorology) , hardening (computing) , phase (matter) , composite material , chemistry , genetics , physics , organic chemistry , layer (electronics) , meteorology , biology

The influence of natural ageing and plastic deformation on precipitation in an Al–3 wt% Cu–1 wt% Li–(Mg,Ag) alloy is investigated by small‐angle X‐ray scattering. When predeformation is applied before artificial ageing, regardless of natural ageing, the T 1 phase precipitates rapidly, resulting in a strong hardening response. When no deformation is applied, the T 1 phase precipitates more sluggishly and the strengthening response is lowered.

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