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。
The high-Cr cast iron which is modified by 0.8% V-Fe is obtained by centrifugal casting and high cr iron microstructure and performance are discussed.
采用0.8%钒铁变质后的高铬铸铁，进行电磁离心铸造浇铸，研究高铬铸铁组织和力学性能变化。
High chromium cast iron melt was modified by instant modification and pour-over modification from the bottom of the ladle.
对高铬铸铁铁液分别用包底冲入法和瞬时变质处理两种方法进行变质处理。
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