| 氮对灰铸铁初生奥氏体二次枝晶组织的影响 |
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| 引用本文： | 翟启杰 胡汉起. 氮对灰铸铁初生奥氏体二次枝晶组织的影响[J]. 北京科技大学学报, 1994, 16(2): 127-130 |
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| 作者姓名： | 翟启杰 胡汉起 |
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| 作者单位： | 北京科技大学冶金系 |
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| 摘 要： | 采用单向凝固方法研究了氮对Ｆｅ－Ｃ－Ｓｉ和Ｆｅ－Ｃ－Ｓｉ－Ｍｎ灰铸铁初生奥氏体二次枝晶组织的影响，结果指出，氮使Ｆｅ－Ｃ－Ｓｉ－Ｍｎ灰铸铁初生奥氏体二次臂间减小，二次枝晶组织细化。
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| 关 键 词： | 氮 灰口铁 奥氏体 二次枝晶 |
Effect of Nitrogen on the Secondary Dendrite of Primary Austenite of Grey Cast Iron |
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| Zhai Qijie, Hu Hanqi. Effect of Nitrogen on the Secondary Dendrite of Primary Austenite of Grey Cast Iron[J]. Journal of University of Science and Technology Beijing, 1994, 16(2): 127-130 |
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| Authors: | Zhai Qijie Hu Hanqi |
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| Abstract: | The effect of nitrogen on the secondary dendrite of primary austenite of Fe-C-Si and Fe-C-Si-Mn grey cast irons was studied through unidirectional solidification. The distribution of nitrogen in solid and liquid phases of the alloys during the growth process of the primary austenite was determined, and the acting mechanism of nitrogen on secondary dendrite of primary austenite was discussed. |
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| Keywords: | nitrogen grey iron / primary austenite secondary dendrite |
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