Microstructure, thermal stability and soft magnetic properties of Fe81B10P8Cu1 amorphous/nanocrystalline alloy refined by slags with low basicity

被引：1
作者：
Huang, T. X. [1 ]
Song, Z. B. [1 ]
Yan, Q. [1 ]
Lu, L. L. [1 ]
Zhou, H. Z. [2 ]
Jain, Aditya [3 ]
Wang, Y. G. [1 ]
机构：
[1] Nanjing Univ Aeronaut & Astronaut, Coll Mat Sci & Technol, Nanjing 211106, Peoples R China
[2] Nanjing Inst Technol, Sch Mat Sci & Engn, Nanjing 211167, Peoples R China
[3] Symbiosis Int Univ, Symbiosis Inst Technol, Pune 412115, India
来源：
MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS | 2024年 / 308卷
关键词：
Fe-based amorphous/nanocrystalline alloy; Melt purification; Microstructure; Soft magnetic properties; GLASS-FORMING ABILITY; RAW-MATERIALS; NANOCRYSTALLINE; CRYSTALLIZATION; EVOLUTION;
D O I：
10.1016/j.mseb.2024.117601
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The amorphous/nanocrystalline duplex structure is stable and exhibits excellent soft magnetic properties. However, the presence of impurities inevitably impacts the performance of the products. In this work, the impact of refining slags with various basicities (R=1, R =1, 0.66, 0.5, 0.4) on the microstructure, thermal stability, and soft magnetic properties of Fe81B10P8Cu1 81 B 10 P 8 Cu 1 alloy was investigated by varying the composition ratio x :1:1 (x x = 2, 3, 4, & 5) of B2O3:MnO:MgO. 2 O 3 :MnO:MgO. The utilization of refining slag with low basicity is beneficial for removing impurity, enhancing magnetic exchange interactions and reducing magnetic anisotropy in amorphous alloy, thereby improving its soft magnetic properties. Notably, when the refining slag composition of B2O3:MnO:MgO 2 O 3 :MnO:MgO is 4:1:1, the Fe81B10P8Cu1 81 B 10 P 8 Cu 1 nanocrystalline alloy exhibits exceptional soft magnetic properties and the smallest grain size, with a B s of 1.717 T, H c of 3.85 A/m and an average grain size of 23.84 nm. These findings are significant for enhancing the performance of Fe-based nanocrystalline alloys.
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页数：7
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