The experimental results show that RE-Si compound modification improves the morphology and the distribution of carbide and the impact toughness of vanadium white cast iron was increased remarkably.
结果表明，稀土—硅复合变质处理显著改善了碳化物的分布形态，并使铸铁的冲击韧性大幅度提高。
The application of the medium Mn white cast iron containing Re showed this material has a better commercial efficiency.
对稀土中锰白口铁进行了生产性试制，并经应用，其经济效益显著。
The results show that the modification of white cast iron by RE can change the carbide morphology and distribution and increase the toughness.
用稀土变质处理中锰白口铁可改变碳化物形貌及分布且提高其韧性。
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