Journal
INTERMETALLICS
Volume 84, Issue -, Pages 142-147Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.intermet.2016.12.024
Keywords
Amorphous metals; Glass-forming ability; Magnetic properties; Oxidation
Categories
Funding
- National Natural Science Foundation of China [51541106]
- Ningbo International Cooperation Projects [2015D10022]
- Ningbo Major Project for Science and Technology [2014B11012]
- Shenyang Science And Technology Project [F14-231-1-22]
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The effect of P on the glass forming ability, soft magnetic properties and oxidation behavior of Fe78B13Si9-xPx (x = 0-7) amorphous alloys were investigated. It is found that the proper introduction of P, can effectively improve the glass forming ability and stability of supercooled liquid region. Fe78Si4B13P5 BMG, which exhibits high saturation flux density of 1.56 T, was readily made into rod sample with a diameter of 1.5 mm under air casting atmosphere. P bearing alloys also exhibit excellent soft magnetic properties containing low coercivity of 1.7-2.7 A/m, and high effective permeability of 8200-12,200. Slight oxidation can further improve the coercivity to a lower value of 1.1 A/m and the higher effective permeability to 11,900 for the alloys with P content no more than 3 at. %. Excessive addition of P may deteriorate the glass forming ability, soft magnetic properties and oxidation behavior. Magnetic domain revealing the magnetization process of the amorphous ribbons were characterized to explain the effect of P on magnetic properties and oxidation behavior. (C) 2017 Elsevier Ltd. All rights reserved.
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