期刊
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
卷 346, 期 -, 页码 124-129出版社
ELSEVIER
DOI: 10.1016/j.jmmm.2013.07.011
关键词
Co-Zr-V alloy; Amorphous ribbon; Co11Zr2 phase; Coercivity
资金
- National Science Foundation of China [11074092, 51073160, 51101105]
- National Foundation for Fostering Talents of basic Science [J1103202]
- Graduate Innovation Fund of Jilin University [20121033]
The substitution of V for Zr significantly impeded the growth of grain in the Co82Zr18 ribbons during melt spinning and the amorphous Co82Zr13V5 melt-spun ribbons were successfully produced at a wheel speed of 40 m/s. The values of coercivity H-c and maximum energy product (BH)(max) first increased, reaching maximum at 560 degrees C and then they decreased sharply with increasing the annealing temperature. The optimal magnetic properties of H-c=4.0 kOe and (BH)(max)=5.0 MGOe were obtained in the amorphous ribbons annealed at 560 degrees C. A suitable grain size of Co11Zr2 phase was considered to be the main reason for the increase in coercivity. (C) 2013 Elsevier B.V. All rights reserved.
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