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用正交设计法,对影响球铁夹渣缺陷的工艺因素,进行了系统地试验。分析结果,原铁水含硫量、浇注温度和球化剂中的稀土含量是影响球墨铸铁夹渣最显著的因素。
Orthogonal design method was used to systematically test the technological factors that affect the defects of the ferrous slag. Analysis results, the original hot metal sulfur content, pouring temperature and nodulizer in the rare earth content is the most significant factor affecting the ductile iron slag.