Abstract
Isothermal compression tests on Al-4Cu-Mg alloy were carried out in semi-solid state. Deformation behavior and microstructural evolution are discussed in this paper. Meanwhile, a new constitutive equation, which couples the grain size and liquid volume fraction, has been established for the semi-solid deformation behavior. The results show that the maximum difference between the calculated with the experimental data is less than 15%. The present equation is satisfactory for describing the correlation between the flow stress and microstructure of semi-solid Al-4Cu-Mg alloy. The coupled simulation of the deformation behavior and microstructural evolution during the semi-solid forming would be conducted easily through writing the present equation in a FE code.
| Original language | English |
|---|---|
| Pages (from-to) | 1337-1343 |
| Number of pages | 7 |
| Journal | Journal of Materials Engineering and Performance |
| Volume | 19 |
| Issue number | 9 |
| DOIs | |
| State | Published - Dec 2010 |
Keywords
- constitutive equation
- deformation behavior
- microstructural evolution
- semi-solid state
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