| INORGANIC MATERIALS AND CERAMIC MATRIX COMPOSITES |
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Soft Magnetic Properties of Fe67Co18Si11B4 Amorphous Alloy After
Free Surface Leveling |
| DING Yanhong1, XUE Penghe1, LI Yan2, MA Xu2
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1 Tianjin Key Laboratory of Film Electronic and Communication Devices, School of Electrical and Electronic Engineering, Tianjin University of Technology, Tianjin 300384;
2 Tianjin Engineering Center of Near-Net-Shape Forming Technology for Metallic Materials, School of Material Science and Engineering, Tianjin University of Technology, Tianjin 300384 |
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Abstract Amorphous Fe67Co18Si11B4 alloy ribbon was prepared by single roller melt spinning technique. The effects of free surface roughness on magnetic properties after surface leveling and stress relief annealing on have been studied. After surface leveling, the roughness of free surface decreased to 5.53 nm from its original 24.26 nm. The research found that surface leveling on free surface lead to decline of coercivity, stray field of the surface, and the interior stress of Fe67Co18Si11B4 amorphous alloy, which is an effective and low cost method to achieve both improvement of static magnetic properties and high frequency magnetic properties.
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Published: 11 March 2019
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| Fund:This work was financially supported by the National Natural Science Foundation of China (51101113), the Natural Science Foundation of Tianjin, China (14JCYBJC16200,15JCZDJC38700). |
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2019, Vol. 33 
