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Electromagnetic centrifugal casting physical field analysis of Al-7Si-4Cu
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Journal Article
Electromagnetic centrifugal casting physical field analysis of Al-7Si-4Cu
2024
Overview
Centrifugal casting is mostly used to manufacture cylinder liners at present. Electromagnetic fields can realize the function of no pollution and optimize the structure and mechanical properties. On the foundation of centrifugal casting, electromagnetic centrifugal casting adds a magnetic field to generate electromagnetic stirring so that casting defects are controlled. In this article, Al-7Si-4Cu is selected as the simulation object, using Fluent software to set up a model with a rotating speed of 1700 rpm, a magnetic field strength of 0.05 T, a pouring temperature of 750°C, an initial mold temperature of 250°C, and a pouring speed of 0.45 m/s. According to the analysis of the temperature field and flow field, the rule of flowing characteristics of liquid metal and heat transfer effects can be predicted. Furthermore, we evaluate the changes in the approximate area of defects of the outer surface, which has a certain guiding function for the electromagnetic centrifugal casting technology.
