Superplastic Behavior of Al-Mg-Cu Alloys

A new superplastic Al-Mg-Cu alloy is described. The effect of copper addition on superplastic properties of Al-Mg base alloy (AA5083) has been studied. By addition of 0.6%Cu, a high elongation of about 700% is obtained in deformation at a strain rate of 2.8×10-3s-1 and 550°C. Typical mechanical prop...

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Bibliographic Details
Published in:Transactions of the Iron and Steel Institute of Japan 1987, Vol.27(9), pp.730-733
Main Authors: WATANABE, Hideo, OHORI, Koichi, TAKEUCHI, Yo
Format: Article
Language:English
Subjects:
alloying of copper
aluminum-magnesium alloy
Applied sciences
Condensed matter: structure, mechanical and thermal properties
Cross-disciplinary physics: materials science
rheology
Elasticity. Plasticity
Exact sciences and technology
Materials science
Mechanical and acoustical properties of condensed matter
Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology
mechanical property
second phase
Metals, semimetals and alloys
Metals. Metallurgy
Physics
Specific materials
superplasticity
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Summary:A new superplastic Al-Mg-Cu alloy is described. The effect of copper addition on superplastic properties of Al-Mg base alloy (AA5083) has been studied. By addition of 0.6%Cu, a high elongation of about 700% is obtained in deformation at a strain rate of 2.8×10-3s-1 and 550°C. Typical mechanical properties of formed parts made from the new alloy are 340MPa in tensile strength and 25% in elongation. The present alloy sheet has a potential for general applications in building and construction because of its properties very similar to the conventional 5000 system alloys and high productivity in the conventional casting and rolling process.
ISSN:0021-1583
1881-1183
DOI:10.2355/isijinternational1966.27.730