Thermal, structural and soft magnetic properties of FeSiBPCCu alloys

被引：32
作者：
Fan, Xingdu [1 ]
Jiang, Mufeng [1 ,2 ]
Zhang, Tao [1 ]
Hou, Long [1 ]
Wang, Chaoxiang [1 ]
Shen, Baolong [1 ,3 ]
机构：
[1] Southeast Univ, Sch Mat Sci & Engn, Jiangsu Key Lab Adv Metall Mat, Nanjing 211189, Jiangsu, Peoples R China
[2] Londerful New Mat Technol Corp, Nantong 226233, Peoples R China
[3] China Univ Min & Technol, Inst Mass Amorphous Met Sci, Xuzhou 221116, Jiangsu, Peoples R China
来源：
JOURNAL OF NON-CRYSTALLINE SOLIDS | 2020年 / 533卷
基金：
中国国家自然科学基金;
关键词：
Nanocrystalline alloy; Thermal stability; Microstructure; Soft magnetic properties; GLASS-FORMING ABILITY; HIGH B-S; STABILITY;
D O I：
10.1016/j.jnoncrysol.2020.119941
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Lower Si and C-content Fe83.3Si2B13-xPxC1Cu0.7 alloys were prepared in order to investigate the influence of P substitution on thermal, structural and soft magnetic properties. Thermodynamic investigation reveals that proper P addition not only favors the amorphous formation but also expands the crystallization window and inactivates the annealing sensitivity of alloys. Microstructure and X-ray photoelectron spectroscopy analysis indicate P addition facilitates homogeneous precipitation of alpha-Fe nanocrystals but results in the formation of loose packing structure, favors the p-d hybridization and promotes the annihilation of effective magnetic moments of Fe atoms, leading to the decrease in saturation magnetic flux density (B-s) of amorphous phase. By proper isothermally annealing, the Fe83.3Si2B9P4C1Cu0.7 nanocrystalline alloy was developed combined with high B-s of 1.78 T, low coercivity of 4.6 A/m, and high permeability of 15100.
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