Abstract
Centrifugal casting magnesium alloy pipe has been widely used. Still, because of its poor mechanical properties, it isn’t to meet the needs of the working environment, which limits its development in civil and industrial fields. Therefore, it is necessary to study the centrifugal casting process of magnesium alloy. In this paper, AZ80 magnesium alloy is used as the research material, and the numerical simulation of the centrifugal casting process is carried out by ANSYS Fluent software. The influence of different variable conditions on the solidification rate is analyzed, and a concept of defect ratio is proposed. The post-processing software is used to write an expression for macroscopic analysis of pore defect ratio on the outer surface of the casting, using which the influence of defect ratio under different variables is given. The research aims to guide the centrifugal casting experiment and predict the defects, greatly saving resources and costs.
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