In this paper, the effects of magnesium tablet, rare earth magnesium and mixed nodulizer on heavy section ductile iron are studied under the simulating test condition.

• 在模拟大断面球铁试验条件下，研究了低硅镁团块、稀土镁硅合金及混合球化剂对大断面球铁石墨形态的影响。