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Journal of Materials Engineering and Performance

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01-12-2010

Deformation Behavior and Constitutive Equation Coupled the Grain Size of Semi-Solid Aluminum Alloy

Authors: Yalin Lu, Miaoquan Li, Xingcheng Li

Published in: Journal of Materials Engineering and Performance | Issue 9/2010

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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.

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Title: Deformation Behavior and Constitutive Equation Coupled the Grain Size of Semi-Solid Aluminum Alloy
Authors: Yalin Lu
Miaoquan Li
Xingcheng Li
Publication date: 01-12-2010
Publisher: Springer US
Published in: Journal of Materials Engineering and Performance / Issue 9/2010
Print ISSN: 1059-9495
Electronic ISSN: 1544-1024
DOI: https://doi.org/10.1007/s11665-010-9627-z

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