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1·The magnesium-lanthanum cerium interalloy is prepared by 80% by mass of magnesium ingot and 20% by weight of lanthanum-cerium rare earth compound;

所述的镁-镧铈中间合金是由配比为质量为80％ 的镁锭与质量为20％的镧铈混合稀土制成；

2·Directional solidification could improve hot rolling formability of magnesium ingot effectively. The total deformation could reach 94% without cracking when hot rolling was held at 673k.

定向凝固工艺可有效提高镁合金铸锭的热轧成形能力，在轧制温度为673k的条件下进行热轧，总变形量可达94%以上而不出现裂纹。

3·The preparation process includes smelting and refining of magnesium alloys and the preparation of semisolid paste or semisolid billet or casting ingot of magnesium alloys.

其方法包 括：镁合金熔炼、精炼、制成镁合金半固态浆料、或镁合金半固态坯料、或镁 合金铸锭。