结果表明：在纯碳化硅材料中分别加入硅、铝粉之后，由于金属的延展性，在成型过程中有利的填充了碳化硅颗粒间的空隙，使得干坯更加致密。
The results show that: the specimens with metal silicon or aluminum powder become denser because the plastic metal powder contributes to filling the space.
为适应高效连铸和开发新品种的需要，邯钢第三炼钢厂方坯连铸中间包工作层用碱性干式自流料取代了硅质绝热板。
For high-efficiency casting and variety development, silica insulation plate was replaced by basic dry lining material in the working layer of billet caster tundish.
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