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本文结合铸轧稀土铝板的实践说明稀土元素对铝板的细化变质作用和除气作用的原理。稀土含量较低时对铝的变质细化和除气作用较明显。
In this paper, combined with the practice of casting and rolling of rare earth aluminum plate, the principle of rare earth element refining metamorphism and outgassing of aluminum plate is described. When the content of rare earth is low, the metamorphism and degassing of aluminum are obvious.