High temperature compression behavior of the solid phase resulting from drained compression of a semi-solid 6061 alloy

► Solid phase of a semi-solid 6061 alloy. ► Solid phase obtained by drained compressive tests within the solidification range. ► High temperature compression behavior. ► Hyperbolic sine rheological law. The aim of this work was to determine the high temperature compression behavior of the solid phas...

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Bibliographic Details
Published in:Materials science & engineering. A, Structural materials : properties, microstructure and processing Structural materials : properties, microstructure and processing, 2012, Vol.532, p.37-43
Main Authors: Giraud, E., Suéry, M., Coret, M.
Format: Article
Language:English
Subjects:
Aluminum alloy
Aluminum base alloys
Applied sciences
Compressing
Compressive properties
Deformation
Drained compression
Drains
Elasticity. Plasticity
Engineering Sciences
Exact sciences and technology
High temperature compression
Liquids
Materials
Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology
Mechanics
Metals. Metallurgy
Rheological law
Semi-solid
Semi-solid processing
Solid phases
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Summary:► Solid phase of a semi-solid 6061 alloy. ► Solid phase obtained by drained compressive tests within the solidification range. ► High temperature compression behavior. ► Hyperbolic sine rheological law. The aim of this work was to determine the high temperature compression behavior of the solid phase found in a semi-solid 6061 alloy by using an original procedure. A drained compressive test has been carried out to drain the majority of the liquid from the semi-solid alloy and obtain a solid representative of the solid phase of the alloy within the solidification range. The drained compressive tests have shown that the behavior of the semi-solid state is viscoplastic and depends on the initial morphology of the solid skeleton and on the accumulated strain. Then, compressive tests at high temperature have been carried out on drained and non-drained 6061 alloy. Results show that: (1) both alloys exhibit a behavior governed by a hyperbolic sine rheological law, (2) the deformation at high temperature of the drained alloy differs from the deformation of the non-drained 6061 alloy.
ISSN:0921-5093
1873-4936
DOI:10.1016/j.msea.2011.10.059