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本文研究了孕育过程、在少量铸铁铁水加入硅铁粒。把铁水淬火中止熔解过程。试样进行了金相观察和化学分析。熔解过程中:在FeSi粒的周围观察到碳化硅结晶和和石墨质点的生成。也观察到在加入的FeSi粒全部熔解后这些质点很快又熔解。并指出熔解完后局部的高硅和高碳区存在较长时间。由于这些硅和碳的不均匀分布:产生石墨的均质核心。孕育的衰退可以解释为硅和碳的不均匀分布的均匀化。
This article studies the inoculation process by adding ferrosilicon particles to a small amount of cast iron hot metal. Quench the melting process of molten iron. Samples were metallographic observation and chemical analysis. During melting: Crystallization of silicon carbide and formation of graphite particles were observed around the FeSi grains. It was also observed that these particles melt quickly and quickly after all the FeSi particles have been melted. It is pointed out that there is a long time for local high silicon and high carbon after melting. Due to the uneven distribution of these silicon and carbon: a homogeneous core of graphite results. The recession conceived can be explained by the homogeneity of the uneven distribution of silicon and carbon.