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The Addition of Boron to Melt-Spun Fe-6.5%Si Ribbons
Abstract
Fe-6.5%Si has higher electrical resistivity, lower magnetocrystalline anisotropy, and lower magnetostriction than traditional Fe-3.2%Si silicon steel. The reduced iron losses of Fe-6.5%Si render it a highly favorable candidate for high-speed motors and transformers. However, large-scale production of wide Fe-6.5%Si tape by rapid solidification can be challenging mainly because of its high melting point. In this work, boron is alloyed to Fe-6.5%Si to reduce its melting temperature and interfacial energy to improve the alloy’s processability. Boron additions from 0.01 wt.% to 2.24 wt.% into Fe-6.5%Si and its effect on ribbon thickness, grain size, magnetic, and mechanical properties were studied. Further, minor boron alloying significantly changed the melt pool stability and wetting on the quench wheel and in turn increased the quench rate with minimum impact on the magnetic saturation and ductility. Boron addition of < 0.06 wt.% was also found beneficial to the magnetic property of the alloy by lowering both its hysteresis and eddy current losses.
- Authors:
-
[1];
- Ames Laboratory (AMES), Ames, IA (United States)
- Iowa State Univ., Ames, IA (United States)
- Ames Lab., and Iowa State Univ., Ames, IA (United States)
- Publication Date:
- Research Org.:
- Ames Laboratory (AMES), Ames, IA (United States)
- Sponsoring Org.:
- USDOE Office of Energy Efficiency and Renewable Energy (EERE), Office of Sustainable Transportation. Vehicle Technologies Office (VTO); USDOE Office of Science (SC)
- OSTI Identifier:
- 2278839
- Report Number(s):
- IS-J-11,227
Journal ID: ISSN 1047-4838
- Grant/Contract Number:
- AC02-07CH11358
- Resource Type:
- Accepted Manuscript
- Journal Name:
- JOM. Journal of the Minerals, Metals & Materials Society
- Additional Journal Information:
- Journal Volume: 76; Journal ID: ISSN 1047-4838
- Publisher:
- Springer
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE; Microstructure; Rapid solidification; Soft magnetic materials; Saturation magnetization
Citation Formats
Ouyang, Gaoyuan, Claude, Roger, Kovar, Alexander, Hillard, Ben, Kramer, Matthew J., Anderson, Iver E., and Cui, Jun. The Addition of Boron to Melt-Spun Fe-6.5%Si Ribbons. United States: N. p., 2023.
Web. doi:10.1007/s11837-023-06329-w.
Ouyang, Gaoyuan, Claude, Roger, Kovar, Alexander, Hillard, Ben, Kramer, Matthew J., Anderson, Iver E., & Cui, Jun. The Addition of Boron to Melt-Spun Fe-6.5%Si Ribbons. United States. https://doi.org/10.1007/s11837-023-06329-w
Ouyang, Gaoyuan, Claude, Roger, Kovar, Alexander, Hillard, Ben, Kramer, Matthew J., Anderson, Iver E., and Cui, Jun. Tue .
"The Addition of Boron to Melt-Spun Fe-6.5%Si Ribbons". United States. https://doi.org/10.1007/s11837-023-06329-w.
@article{osti_2278839,
title = {The Addition of Boron to Melt-Spun Fe-6.5%Si Ribbons},
author = {Ouyang, Gaoyuan and Claude, Roger and Kovar, Alexander and Hillard, Ben and Kramer, Matthew J. and Anderson, Iver E. and Cui, Jun},
abstractNote = {Fe-6.5%Si has higher electrical resistivity, lower magnetocrystalline anisotropy, and lower magnetostriction than traditional Fe-3.2%Si silicon steel. The reduced iron losses of Fe-6.5%Si render it a highly favorable candidate for high-speed motors and transformers. However, large-scale production of wide Fe-6.5%Si tape by rapid solidification can be challenging mainly because of its high melting point. In this work, boron is alloyed to Fe-6.5%Si to reduce its melting temperature and interfacial energy to improve the alloy’s processability. Boron additions from 0.01 wt.% to 2.24 wt.% into Fe-6.5%Si and its effect on ribbon thickness, grain size, magnetic, and mechanical properties were studied. Further, minor boron alloying significantly changed the melt pool stability and wetting on the quench wheel and in turn increased the quench rate with minimum impact on the magnetic saturation and ductility. Boron addition of < 0.06 wt.% was also found beneficial to the magnetic property of the alloy by lowering both its hysteresis and eddy current losses.},
doi = {10.1007/s11837-023-06329-w},
journal = {JOM. Journal of the Minerals, Metals & Materials Society},
number = ,
volume = 76,
place = {United States},
year = {Tue Dec 26 00:00:00 EST 2023},
month = {Tue Dec 26 00:00:00 EST 2023}
}
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