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High saturation magnetic flux density of Novel nanocrystalline core annealed under magnetic field
- Issue Date
- Jun-2020
- Publisher
- ELSEVIER SCIENCE SA
- Keywords
- Amorphous metals; Nanocrystalline metals; Alloy design; Magnetic properties; Heat treatment; Rapid solidification
- Citation
- JOURNAL OF ALLOYS AND COMPOUNDS, v.826, pp.1 - 9
- Indexed
- SCIE
SCOPUS
- Journal Title
- JOURNAL OF ALLOYS AND COMPOUNDS
- Volume
- 826
- Start Page
- 1
- End Page
- 9
- ISSN
- 0925-8388
- Abstract
- In the present study, the magnetic and microstructural properties were investigated of Fe-based nano-crystalline soft magnetic alloy with the composition of Fe80Si7B9Nb3Cu1 fabricated by the melt-spinning method. The annealing under varying transverse magnetic field was applied to induce the uniform distribution of alpha-Fe nanocrystals. The lowest core loss (P-cv) was 124.0 mW/cm(3) achieved with the specimen annealed at 560 degrees C. Furthermore, the core annealed at 560 degrees C showed the B-s as high as 1.57 T which is significantly higher than that of conventional FINEMET core (B-s = 1.23 T). The combination of high Bs with excellent magnetic properties makes this nanocrystalline alloy a promising candidate for the application in high frequency (f) region.
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Related Researcher
- Yoon, Chong Seung
- COLLEGE OF ENGINEERING (SCHOOL OF MATERIALS SCIENCE AND ENGINEERING)