| 真空感应熔炼超纯净镍基高温合金脱氮的研究 |
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| 引用本文： | 牛建平,杨克努,金涛,孙晓峰,管恒荣,胡壮麒.真空感应熔炼超纯净镍基高温合金脱氮的研究[J].金属学报,2001,37(9):943-946. |
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| 作者姓名： | 牛建平 杨克努 金涛 孙晓峰 管恒荣 胡壮麒 |
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| 作者单位： | 1. 中国科学院金属研究所,沈阳,110016;沈阳大学材料工程系,沈阳,110044
2. 中国科学院金属研究所,沈阳,110016 |
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| 摘 要： | 研究了真空感应熔炼Ni基高温合金过程中的脱氮行为。计算了不同真空度及加Al和Ti条件下Ni-6Cr-5Co-2Mo-6W合金在1600℃时氮的溶解度。 实验表明在CaO坩埚精炼过程中加Al脱氮有促进作用；加Ti则对脱氮有明显不利影响。提高熔炼真空度是促进脱氮的有力措施。
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| 关 键 词： | 镍基高温合金 真空感应熔炼 坩埚 脱氮 |
| 文章编号： | 0412-1961(2001)09-0943-04 |
| 修稿时间： | 2001年3月7日 |
DENITROGENATION DURING VIM REFINING Ni-BASE SUPERALLOY |
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| NIU Jianping,YANG Kenu,JIN Tao,SUN Xiaofeng,GUAN Hengrong,HU Zhuangqi Institute of Metal Research,The Chinese Academy of Sciences,Shenyang.DENITROGENATION DURING VIM REFINING Ni-BASE SUPERALLOY[J].Acta Metallurgica Sinica,2001,37(9):943-946. |
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| Authors: | NIU Jianping YANG Kenu JIN Tao SUN Xiaofeng GUAN Hengrong HU Zhuangqi Institute of Metal Research The Chinese Academy of Sciences Shenyang |
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| Affiliation: | NIU Jianping,YANG Kenu,JIN Tao,SUN Xiaofeng,GUAN Hengrong,HU Zhuangqi Institute of Metal Research,The Chinese Academy of Sciences,Shenyang 110016 Department of Materials Engineering,Shenyang University,Shenyang 110044 Correspondent. NIU Jianping |
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| Abstract: | The denitrogenation behavior during vacuum induction melting (VIM) Ni-base su- peralloy using CaO crucible was studied, and the dissolubilities of nitrogen under different vacuum levels as well as Al and Ti adding amounts at 1600 C were also calculated. The results show that Al addition has evident effect to denitrogenation and Ti addition has adverse effect to denitrogenation. The increase of vacuum level is a powerful way to accelerate the rate of denitrogenation. |
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| Keywords: | Ni-base superalloy vacuum induction melting CaO crucible denitrogenation |
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