前言随着稀土在铸铁中应用课题的开展,有些人也将稀土试用到可锻铸铁中作为孕育剂。但对其使用效果报导不一,对某些方面作用的认识甚至是矛盾的。为此,作者查阅了有关文献,结合自己的试验结果,对稀土在可锻铸铁中应用问题进行一定的分析讨论。一、稀土对可锻铸铁石墨化过程的影响 Preface With the development of rare earth in the application of cast iron, some people also tried rare earth malleable iron as inoculant. However, the reports on the effects of their use vary widely and their understanding of certain aspects is even contradictory. To this end, the author consulted the relevant literature, combined with their own test results, the use of rare earth in malleable iron to carry out some analysis and discussion. First, the impact of rare earth on malleable iron graphitization process