| 低碳锰铁 FeMn 84C 0.4 氮化的实验研究 |
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| 引用本文： | 张金柱,徐楚韶,刘利,赵跃萍.低碳锰铁 FeMn 84C 0.4 氮化的实验研究[J].中国锰业,2000,18(2):30-33. |
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| 作者姓名： | 张金柱 徐楚韶 刘利 赵跃萍 |
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| 作者单位： | 1. 重庆大学材料科学与工程学院,重庆,400014
2. 贵州工业大学冶金工程系,贵州,贵阳,550003 |
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| 摘 要： | 应用真空电阻炉高温渗氮、X射线衍射分析等实验测试方法，研究了粒度、温度、气相组成等因素对低碳锰铁氮化的影响。工业用气态氮作为渗氮气体的主要气相组成，可同时发生锰铁的氮化和氧化，生成 Mn4N 和 MnO 化合物；随渗氮温度的提高，锰氧化物的含量相应增高。渗氮气氛中配加氨气，使氮气的分压相应降低，平衡吸附浓度降低，渗氮试样的含氮量降低。
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| 关 键 词： | 低碳锰铁 氮化 氨气 实验研究 |
| 文章编号： | 1002-4336(2000)02-0030-04 |
| 修稿时间： | 1999-12-03 |
A Study on the Nitriding of Low-Carbon Ferromanganese FeMn 84 C 0.4 |
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| Zhang Jinzhu,Xu Chushao,Liu Li,Zhao Yueping.A Study on the Nitriding of Low-Carbon Ferromanganese FeMn 84 C 0.4[J].China's Manganese Industry,2000,18(2):30-33. |
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| Authors: | Zhang Jinzhu Xu Chushao Liu Li Zhao Yueping |
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| Affiliation: | Zhang Jinzhu
,Xu Chushao
(Institute of Material Science and Technology, Chongqing University, Chongqing 400044, China)Liu Li
,Zhao Yueping
(Department of Metallurgy Engineering, Guizhou University of Technology, Guiyang 550003, China) |
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| Abstract: | The influence of grain size, atmosphere components and temperature on the nitriding of solid low carbon ferromanganese were studied by means of vacuum resistance furnace and X ray diffraction technique. The nitride Mn 4N and oxide MnO can be developed when the powdered ferromanganese are nitrided at high temperature from 1?123 K to 1?223 K in an atmosphere of industrial nitrogen and ammonia. The oxygen content in the samples increases with the temperature enhancement. The ammonia in the atmosphere can lower the partial pressure and the adsorption concentration of nitrogen, therefore, the nitrogen content in the samples. |
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| Keywords: | Low-carbon ferromanganese Nitriding Ammonia |
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