Denitrogenation during vacuum induction melting refining Ni base superalloy using CaO crucible

J. P. Niu; K. N. Yang; X. F. Sun

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Denitrogenation during vacuum induction melting refining Ni base superalloy using CaO crucible

机译：CaO坩埚在真空感应熔炼镍基高温合金中进行脱氮

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The denitrogenation behaviour during vacuum induction melting of Ni base superalloy using CaO crucible was studied, and the nitrogen solubility under different vacuum levels as well as Al and Ti addition amounts at 1873 K were also calculated. The experiment results show that Al addition had beneficial effect, but Ti addition had adverse effect to denitrogenation. The increase of vacuum level is a powerful measure to accelerate the denitrogenation process. The denitrogenation mechanism has been discussed for a nitrogen content of below 10 ppm.

机译：研究了使用CaO坩埚对Ni基高温合金进行真空感应熔炼时的脱氮行为，并计算了不同真空度下的氮溶解度以及1873 K下的Al和Ti添加量。实验结果表明，添加铝具有有益作用，而添加钛对脱氮有不利影响。真空水平的提高是加速脱氮过程的有力措施。已经讨论了氮含量低于10 ppm的脱氮机理。

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《Materials Science and Technology: MST: A publication of the Institute of Metals》 |2002年第9期|共4页
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J. P. Niu; K. N. Yang; X. F. Sun;
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1. Denitrogenation during vacuum induction melting refining Ni base superalloy using CaO crucible [J] . J. P. Niu, K. N. Yang, X. F. Sun Materials Science and Technology: MST: A publication of the Institute of Metals . 2002,第9期

机译：CaO坩埚在真空感应熔炼镍基高温合金中进行脱氮
2. Denitrogenation and desulphurization during vacuum induction melting refining Ni-base superalloy [J] . 牛建平, 孙晓峰, 杨克努, 中国有色金属学报（英文版） . 2002,第001期

机译：真空感应熔炼镍基高温合金的脱氮脱硫
3. Investigation into deoxidation during vacuum induction melting refining of nickel base superalloy using CaO crucible [J] . J. P. Niu, X. F. Sun, T. Jin Materials Science and Technology: MST: A publication of the Institute of Metals . 2003,第4期

机译：CaO坩埚在真空感应熔炼镍基高温合金中脱氧的研究
4. DEOXIDIZATION AND DENITROGENATION DURING VIM REFINING NI-BASE SUPERALLOY USING CaO CRUCIBLE [C] . Niu Jianping, Yang Kenu, Guan Hengrong, A New Century International Conference on Metallurgical High Technology and New Materials of Heavy Nonferrous Metals (ICHNM'2002) Apr 3-5, 2002 Kunming, China . 2002

机译：使用CaO坩埚在Vim精炼镍基高温合金过程中进行脱氧和脱氮
5. Thermodynamic modeling and prediction of elastic and thermal expansion properties of Ni-base superalloys: Application to Ni-Al-Pt-Cr-Hf system with gamma and gamma' phases. [D] . Kim, DongEung. 2011

机译：Ni基高温合金的热力学建模和弹性和热膨胀特性的预测：在具有伽马和伽马相的Ni-Al-Pt-Cr-Hf系统中的应用。
6. Microstructure of Haynes® 282® Superalloy after Vacuum Induction Melting and Investment Casting of Thin-Walled Components [O] . Hubert Matysiak, Malgorzata Zagorska, Joel Andersson, 2013

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7. Investigation on Denitrogenation Technology and Mechanism during VIM Refining Ni-base Superalloy [O] . Jianping Niu, Zhuangqi Hu 2016

机译：VIm精炼镍基高温合金脱氮工艺及机理研究
8. Vacuum Induction Melting of Ti-6AI-4V in a Cold Crucible [R] . Paige, J. I. 1988

机译：Ti-6aI-4V在冷坩埚中的真空感应熔炼

Denitrogenation during vacuum induction melting refining Ni base superalloy using CaO crucible

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