The cast iron modified by re offers refined microstructure in which the carbides become blocky or granular, thus increasing the mechanical properties.
经稀土变质处理的铸铁组织细化，其碳化物呈团块状或颗粒状，从而提高了力学性能。
2
The experimental results have indicated that inoculation has significant effect upon soundess of white cast iron, refine grain, Change ingredient and shape of carbides and improve its properties.
试验结果表明，此种孕育剂对细化晶粒、改变碳化物组成及形状、提高性能有显著的效果。
3
High solubility in iron requires the additions of tantalum and niobium carbides for steel usage.