研究了稀土-钛-氮复合变质处理对高硼合金钢组织和性能的影响。
The influence of rare earth, titanium and nitrogen on the structures and properties of high boron alloy steel was researched.
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 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.
采用稀土硅铁、低碳铬铁和复合变质剂对中铬铸铁进行变质处理后，组织细化、性能提高；
The experiment results showed the structure was refined and the properties were enhanced after adding modificator, such as rare-earth ferrosilicon.
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