| Ni基高温合金真空感应熔炼脱硫 |
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| 引用本文： | 王建明,牛建平,才庆魁.Ni基高温合金真空感应熔炼脱硫[J].真空,2004,41(3):27-30. |
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| 作者姓名： | 王建明 牛建平 才庆魁 |
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| 作者单位： | 1. 东北大学,材料冶金学院,辽宁,沈阳,110004;沈阳大学,机械工程学院,辽宁,沈阳,110044
2. 沈阳大学,机械工程学院,辽宁,沈阳,110044 |
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| 摘 要： | 研究了使用CaO坩埚真空感应熔炼炼Ni基高温合金过程中的脱硫情况;分析了加Al的脱硫作用;结合坩埚壁的XRD分析和成分分析数据讨论了CaO坩埚脱硫机理;对CaO坩埚内壁表面发生的化学反应进行了初步热力学计算和讨论.
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| 关 键 词： | CaO 坩埚 Ni基高温合金 真空感应熔炼(VIM) 脱硫 |
| 文章编号： | 1002-0322(2004)03-0027-04 |
Desulphurization during VIM of Ni-base superalloy |
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| WANG Jian-ming.Desulphurization during VIM of Ni-base superalloy[J].Vacuum,2004,41(3):27-30. |
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| Authors: | WANG Jian-ming |
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| Affiliation: | WANG Jian-ming~ |
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| Abstract: | The reduction of sulfur content during the VIM of Ni-base superalloy was studied using CaO crucible, where the role of Al addition in desulphurization was analyzed. Combining the XRD pattern with the compositional analysis of powdered CaO crucible wall, the mechanism of desulphurization was discussed. Thermodynamical calculation and discussion on the reaction between the inner surface of CaO crucible and liquid metal were also carried out. |
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| Keywords: | CaO crucible Ni-base superalloy vacuum induction melting(VIM) desulphurization |
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