M2高速钢软氮化渗层中氮碳化合物体积相对量与X-射线衍射峰积分强度的关系
Relation Between Concentretion of Nitride in Soft Nitride Layer of M2 High Speed Steel and X-ray Diffraction Peak Intensity
雷 旻, 张常树, 贺建青
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作者单位：(贵州大学 材料与冶金学院 贵州省材料结构与强度重点实验室, 贵州 贵阳 550003)
中文关键字：软氮化； 渗层； X-ray衍射； 高速钢； 氮化脆性
英文关键字：soft nitriding; nitride layer; X-ray diffraction; high-speed steel; nitride brittle
中文摘要：通过X-射线衍射分析方法，对M2钢的软氮化渗层中铁素体相的衍射峰积分强度随渗层深度的变化规律进行分析， 发现其软氮化渗层中氮碳化合物总含量与铁素体相衍射峰积分强度呈负相关性， 提出了一种宏观测定渗层氮碳化合物总体积相对百分含量的方法。 依此方法测算了M2钢的软氮化渗层的氮碳化合物相对体积百分比的分布曲线。
英文摘要：The change rules of diffraction peak intensity of soft ferrite phase in M2 steel nitride layer with the depth of nitride layer were analyzed by XRD. The results show that the relation between the total nitrogen content of ferrite phase soft-nitride layer of carbon compounds and the diffraction peak intensity points is a negative correlation. A method of measuring nitrogen content of carbide relative volume fraction was obtained. The distribution curves of ferrite relative volume fraction were calculated using this method.