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研究了各种氮系复合孕育剂对铸铁抗拉强度、相对强度、相对硬度、质量指数、断面敏感性和白口倾向的影响;探索了孕育剂中铈、锆、锶、铜、锡、锌等微量合金元素对孕育效果的作用;用评分法综述了各种氮系复合孕育剂的特点和适用范围。
The effects of various inoculants on the tensile strength, relative strength, relative hardness, mass index, cross-section sensitivity and whiteness of cast iron were studied. The effects of various inoculants on the tensile properties of cerium, zirconium, strontium, copper, tin and zinc And other trace elements on the effect of inoculation effect; review by score method of a variety of nitrogen compound inoculant characteristics and scope of application.