Influence of Polytetrafluoroethylene Content, Compaction Pressure, and Annealing Treatment on the Magnetic Properties of Iron-Based Soft Magnetic Composites
Abstract
:1. Introduction
2. Results and Discussion
2.1. Characterization of the Fe/PTFE Composite Powders and Corresponding SMCs
2.2. Effect of PTFE Content on the Magnetic Properties of Fe/PTFE SMCs
2.3. Effect of Compaction Pressure on the Magnetic Properties of Fe/PTFE SMCs
2.4. Effect of Annealing Treatment on the Magnetic Properties of Fe/PTFE SMCs
3. Materials and Methods
3.1. Materials
3.2. Preparation of the Fe/PTFE SMCs
3.3. Characterizations
4. Conclusions
Supplementary Materials
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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PTFE Contents (wt%) | Effective Permeability | Saturation Magnetization (emu/g) | Coercivity (Oe) | Total Core Loss (mW/cm3) | Resistivity (mΩ·m) | ||
---|---|---|---|---|---|---|---|
Bm = 50 mT | Bm = 100 mT | ||||||
1 kHz | 100 kHz | 50 kHz | 50 kHz | ||||
0 | 71.0 | 68.5 | 217.6 | 15.2 | 695.1 | 3001 | 0.4 |
1 | 66.8 | 66.2 | 210.5 | 19.9 | 398.5 | 1874 | 4.3 |
2 | 60.8 | 60.4 | 197.5 | 35.5 | 415.4 | 1918 | 4.5 |
3 | 56.0 | 55.8 | 192.9 | 54.2 | 355 | 1705 | 19.9 |
4 | 44.5 | 44.2 | 187.0 | 62.2 | 416.5 | 1901 | 25.8 |
5 | 42.4 | 42.1 | 182.7 | 64 | 463.1 | 2057 | 97.3 |
Compaction Pressure (MPa) | Density (g/cm3) | Resistivity (mΩ·m) |
---|---|---|
540 | 6.53 | 9.4 |
594 | 6.61 | 12.9 |
648 | 6.74 | 19.9 |
702 | 6.79 | 10.8 |
756 | 6.85 | 7.4 |
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Song, M.; Luo, F.; Shang, Y.; Duan, Z. Influence of Polytetrafluoroethylene Content, Compaction Pressure, and Annealing Treatment on the Magnetic Properties of Iron-Based Soft Magnetic Composites. Molecules 2024, 29, 4019. https://doi.org/10.3390/molecules29174019
Song M, Luo F, Shang Y, Duan Z. Influence of Polytetrafluoroethylene Content, Compaction Pressure, and Annealing Treatment on the Magnetic Properties of Iron-Based Soft Magnetic Composites. Molecules. 2024; 29(17):4019. https://doi.org/10.3390/molecules29174019
Chicago/Turabian StyleSong, Mei, Fan Luo, Yajing Shang, and Zhongxia Duan. 2024. "Influence of Polytetrafluoroethylene Content, Compaction Pressure, and Annealing Treatment on the Magnetic Properties of Iron-Based Soft Magnetic Composites" Molecules 29, no. 17: 4019. https://doi.org/10.3390/molecules29174019