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12Cr4Ni4Mo4V钢经碳氮共渗、渗硼复台表面改性处理．使高硬硼化物层以下形成具备高塑韧性的复合渗层组织。对渗层中合金元素的分布进行检测分析，发现硼原子对Cr、Mo、V元素有明显的排斥作用．而对Ni影响较小，并且发现渗硼层中Si含量增加。
12Cr4Ni4Mo4V steel by carbonitriding, boron boron surface modification treatment. So that the high hardness of the boride layer to form a composite with high plasticity toughness infiltrated tissue. The analysis of the distribution of alloying elements in the infiltrated layer revealed that the boron atoms have a significant repulsive effect on Cr, Mo and V elements. While the impact on Ni is small, and found that the boron content in the boron layer increases.