Journal
JOURNAL OF ALLOYS AND COMPOUNDS
Volume 509, Issue -, Pages S416-S419Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2010.11.012
Keywords
Low core loss; High magnetic flux density; Nanocrystalline soft magnetic alloy; Hetero-amorphous alloy
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The Fe-Si-B-P-Cu nanocrystalline alloys exhibit high saturation magnetic flux density (B-s) as well as good soft magnetic properties such as low coercivity, high effective permeability and low magnetostriction after nanocrystallization. In this paper, the Fe85Si2B8P4Cu1 alloy has been newly developed. On the viewpoint of magnetic softness, the Fe85Si2B8P4Cu1 nanocrystalline alloy reveals low core loss (W) at a commercially frequency of 50 Hz in the maximum induction (B-m) range of up to 1.75 T, and the W in the B-m range of less than 1.8 T is smaller than that of the highest-graded oriented Si-steel due to high magnetic flux density at 800 A/m (B-800) of above 1.8 T and excellent magnetic softness originated from much higher Fe content and uniform nanocrystalline structure with small magnetostriction. The electrical resistivity (rho) is relative higher than Si-steels. Thus the Fe-Si-B-P-Cu alloys are attractive for applying to magnetic parts such as motors, transducers, choke-coils and so-forth. (C) 2010 Elsevier B.V. All rights reserved.
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