Thermodynamic Calculation of Liquidus Projection of Multiple Aluminum Alloys

Jing Rui Zhao; Kai Ming Cheng; Yong Du; Li Jun Zhang

doi:10.4028/www.scientific.net/MSF.913.589

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HomeMaterials Science ForumMaterials Science Forum Vol. 913Thermodynamic Calculation of Liquidus Projection...

Thermodynamic Calculation of Liquidus Projection of Multiple Aluminum Alloys

Abstract:

Most aluminum alloys used in industrial manufacturing are multi-component systems. Unfortunately, multi-component systems are still lack of systematic research. The lack of research is especially evident for the liquidus surface projection of the multi-component system where most of the projections are currently drawn by hand. Thermodynamic calculations were performed for the Al–Cu–Mg–Mn quaternary system and the A1–Cu–Fe–Mg–Mn quinary system. The temperatures and compositions of the liquidus invariant reactions in the A1–rich corner for the two systems were calculated and compared with the experimental data. The current work provides a straightforward and accurate expression for the liquidus surface projections of multi-component systems. The expressions will facilitate the understanding of the multi-component alloy systems that are frequently used in industrial applications.

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Periodical:

Materials Science Forum (Volume 913)

Pages:

589-595

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.913.589

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Online since:

February 2018

Authors:

Jing Rui Zhao*, Kai Ming Cheng, Yong Du, Li Jun Zhang

Keywords:

Al-Cu-Fe-Mg-Mn System, Liquidus Surface Projection, Phase Diagram, Thermodynamic Calculation

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