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Syntheses and corrosion behaviors of Fe-based amorphous soft magnetic alloys with high-saturation magnetization near 1.7 T

Published online by Cambridge University Press:  13 February 2015

Ye Han
Affiliation:
School of Materials Science and Engineering, Tianjin University, Tianjin 300072, China
Fanli Kong
Affiliation:
International Institute of Green Materials, Josai International University, Togane 283-8555, Japan
Chuntao Chang
Affiliation:
Ningbo Institute of Materials Technology & Engineering, Chinese Academy of Sciences, Ningbo 315201, China
Shengli Zhu
Affiliation:
School of Materials Science and Engineering, Tianjin University, Tianjin 300072, China
Akihisa Inoue*
Affiliation:
School of Materials Science and Engineering, Tianjin University, Tianjin 300072, China; International Institute of Green Materials, Josai International University, Togane 283-8555, Japan; and Department of Physics, King Abdulaziz University, Jeddah 22254, Saudi Arabia
El-Sayed Shalaan
Affiliation:
Department of Physics, King Abdulaziz University, Jeddah 22254, Saudi Arabia
Fahad Al-Marzouki
Affiliation:
Department of Physics, King Abdulaziz University, Jeddah 22254, Saudi Arabia
*
a)Address all correspondence to this author. e-mail: ainouebmg@yahoo.co.jp
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Abstract

Some Fe-rich amorphous alloys of Fe–B–P–Si and Fe–B–P–Si–C systems were found to exhibit simultaneously good soft magnetic properties with high-saturation magnetization values near 1.7 T, which are higher than those for previously reported Fe-based amorphous and glassy alloys, in addition to rather good amorphous ribbon formability, good bending ductility, and rather high corrosion resistance. The corrosion resistance increased with increasing P content, accompanying by the increase in thermal stability of the amorphous phase. The decrease in the outer surface velocity of the wheel, which results in the increase of ribbon thickness, also causes an improvement of surface smoothness of the melt-spun amorphous alloy ribbons. The syntheses of new high-saturation Fe-based soft magnetic amorphous alloys without any other transition metals hold promise for future extension of Fe-based soft magnetic amorphous materials.

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Copyright
Copyright © Materials Research Society 2015 

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Syntheses and corrosion behaviors of Fe-based amorphous soft magnetic alloys with high-saturation magnetization near 1.7 T
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