Consecutive induction melting of nickel-based superalloy in electrode induction gas atomization

doi:10.1088/1674-1056/26/6/060201

中国物理B ›› 2017, Vol. 26 ›› Issue (6): 60201-060201.doi: 10.1088/1674-1056/26/6/060201

• GENERAL • 下一篇

Consecutive induction melting of nickel-based superalloy in electrode induction gas atomization

Shan Feng(峰山), Min Xia(夏敏), Chang-Chun Ge(葛昌纯)

School of Materials Science and Engineering, University of Science and Technology Beijing(USTB), Beijing 100083, China

收稿日期:2017-01-03 修回日期:2017-03-17 出版日期:2017-06-05 发布日期:2017-06-05
通讯作者: Min Xia, Chang-Chun Ge E-mail:xmdsg@ustb.edu.cn;ccge@mater.ustb.edu.cn

Consecutive induction melting of nickel-based superalloy in electrode induction gas atomization

Shan Feng(峰山), Min Xia(夏敏), Chang-Chun Ge(葛昌纯)

School of Materials Science and Engineering, University of Science and Technology Beijing(USTB), Beijing 100083, China

Received:2017-01-03 Revised:2017-03-17 Online:2017-06-05 Published:2017-06-05
Contact: Min Xia, Chang-Chun Ge E-mail:xmdsg@ustb.edu.cn;ccge@mater.ustb.edu.cn

摘要/Abstract

摘要：

The crucible-free electrode induction melting gas atomization (EIGA) technology is an advanced technology for preparing ultra-clean nickel-based superalloy powders. One of the key issues for fabricating powders with high quality and yield is the consecutive induction melting of a superalloy electrode. The coupling of a superalloy electrode and coil, frequency, output power, and heat conduction are investigated to improve the controllable electrode induction melting process. Numerical simulation results show that when the coil frequency is 400 kHz, the output power is 100 kW, superalloy liquid flow with a diameter of about 5 mm is not consecutive. When the coil frequency is reduced to 40 kHz, the output power is 120 kW, superalloy liquid flow is consecutive, and its diameter is about 7 mm.

关键词: electrode induction gas atomization, coil frequency, output power, thermal conduction

Abstract:

Key words: electrode induction gas atomization, coil frequency, output power, thermal conduction

中图分类号: (Numerical simulation; solution of equations)

02.60.Cb

41.20.Gz (Magnetostatics; magnetic shielding, magnetic induction, boundary-value problems) 61.66.Dk (Alloys ) 81.20.Ev (Powder processing: powder metallurgy, compaction, sintering, mechanical alloying, and granulation)

峰山, 夏敏, 葛昌纯. Consecutive induction melting of nickel-based superalloy in electrode induction gas atomization[J]. 中国物理B, 2017, 26(6): 60201-060201.

Shan Feng(峰山), Min Xia(夏敏), Chang-Chun Ge(葛昌纯). Consecutive induction melting of nickel-based superalloy in electrode induction gas atomization[J]. Chin. Phys. B, 2017, 26(6): 60201-060201.

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Consecutive induction melting of nickel-based superalloy in electrode induction gas atomization

Consecutive induction melting of nickel-based superalloy in electrode induction gas atomization

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