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通过试验,研究了硼在中碳马氏体铸钢中的作用,如对韧性、硬度、组织的影响,特别是对韧性的提高贡献较大。
Through the experiment, the effect of boron in medium carbon martensitic cast steel was studied, such as the influence on the toughness, hardness and microstructure, especially on the improvement of toughness.