本文阐述了硫对石墨球化和机械性能的影响,并且介绍了两种获得低硫铁水的方法。一、硫对石墨球化和机械性能的影响1.球铁所允许的最大残留硫量硫是影响铸铁石墨球化很强烈的元素。硫降低了球化剂的利用率。硫被石墨吸收后,还会降低铁水与石墨之间的界面能。作者认为,石墨形状的差异取决于界面能的大 This article describes the effect of sulfur on graphite spheroidization and mechanical properties, and introduces two ways to obtain low-sulfur molten iron. First, the impact of sulfur on the graphite ball and mechanical properties 1. Ductile iron maximum allowable sulfur content of sulfur is the impact of cast iron graphite is a very strong element. Sulfur reduces the utilization of nodulizer. Sulfur absorption by graphite, but also reduce the interface between the molten iron and graphite energy. The authors believe that the difference in graphite shape depends on the large interface energy