科研之友
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摘要
A novel method of mechanical alloying and heat treatment for preparing the nano-NbC particles mixed with Fe powder was proposed, and the nano-NbC particle reinforced steels were prepared. The results show that the mechanical alloying and heat treatment are an effective method for preparing the nano-NbC particles. The nano-NbC particles can uniformly distribute in steels. Furthermore, the as-casted microstructure is refined remarkably, and hardness of the steels increases.
