材料科学
渗氮
磁导率
压实
氮气
复合材料
相对渗透率
氮化铁
氮化物
饱和(图论)
磁化
多孔性
磁场
图层(电子)
物理
组合数学
生物
量子力学
遗传学
膜
数学
作者
Qiang Gui,Chaoyun Zhang,Tongkang Zhan,Xiaoling Peng,Jing Li,Shan Tao,Qiong Wu,Jingcai Xu,Bo Hong,X.Q. Wang,Hongliang Ge
标识
DOI:10.1016/j.mtcomm.2024.108161
摘要
The magnetic properties of SMCs are typically challenging to further enhance, after compaction into a specific shape. However, in this study, a gas-nitriding process is employed to diffuse nitrogen atoms into iron-based magnetic toroidal after being prepared, resulting in an improvement in effective permeability and reduction in core losses. The results indicate that the saturation magnetization decreases with increasing nitriding time, reaching its minimum value at a nitriding time of 24 h, where Ms measure at 199.8 emu/g. The sample nitrided for 12 h exhibits superior effective permeability, high-frequency stability, DC-bias property, and total core loss, indicating its suitability for high-frequency applications. The gas-phase nitride process can further enhance the performance of the prepared soft magnetic composites, which is of significant value in scientific applications.
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