Effect of Nano-Scale Precipitates Growth on the Deformation Behavior of the Cast Coarse-Grained Al-Cu Alloy

In the present study, it is observed that the modified cast Al‐Cu alloy (coarse‐grained alloy) exhibits the following behavior, i.e., higher ductility at the lower strain rates. The nano‐scale precipitates growth phenomenon under the deformation process is mainly responsible for the enhanced ductili...

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Veröffentlicht in:Advanced engineering materials 2008-12, Vol.10 (12), p.1114-1116
Hauptverfasser: Zhao, W., Wang, H., Wang, J., Yao, D., Zhao, H., Jiang, Q.
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container_issue 12
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container_title Advanced engineering materials
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creator Zhao, W.
Wang, H.
Wang, J.
Yao, D.
Zhao, H.
Jiang, Q.
description In the present study, it is observed that the modified cast Al‐Cu alloy (coarse‐grained alloy) exhibits the following behavior, i.e., higher ductility at the lower strain rates. The nano‐scale precipitates growth phenomenon under the deformation process is mainly responsible for the enhanced ductility at the lower strain rates. Besides, the strain rate sensitivity is due to dislocation effect in the present alloy at the higher strain rates.
doi_str_mv 10.1002/adem.200800150
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subjects Aluminum alloys
Condensed matter: structure, mechanical and thermal properties
Cross-disciplinary physics: materials science
rheology
Deformation and plasticity (including yield, ductility, and superplasticity)
Exact sciences and technology
Materials science
Mechanical and acoustical properties of condensed matter
Mechanical properties of solids
Nanostructured metals
Phase diagrams and microstructures developed by solidification and solid-solid phase transformations
Physics
Precipitation
title Effect of Nano-Scale Precipitates Growth on the Deformation Behavior of the Cast Coarse-Grained Al-Cu Alloy
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