The Structure and Magnetic Properties of Co77Zr18W5 Melt-Spun Ribbons

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DOI: 10.4236/wjcmp.2012.24033    3,424 Downloads   6,148 Views  Citations

ABSTRACT

Based on X-ray diffraction, microscopic and magnetic analysis, the structure and magnetic properties of Co77Zr18W5 melt-spun ribbons were studied in this paper. A new element to stabilize the metastable Co5Zr phase was found and the coercivity observed in Co-Zr alloys can be obviously enhanced by proper tungsten substitution. The Curie temperature of Co77Zr18W5 ribbons is 475℃ which suggests that W doped Co-Zr alloys may become an attractive candidate perma- nent magnets for practical applications in high temperature. Annealing of the Co77Zr18W5 ribbons results in a decrease of the coercivity which confirmed that the hard magnetic phase is Co5Zr phase in 77Zr18W5 melt-spun ribbons.

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S. Xu, D. Xu, Z. Hou, J. Zhang, F. Su, L. Sun and W. Wang, "The Structure and Magnetic Properties of Co77Zr18W5 Melt-Spun Ribbons," World Journal of Condensed Matter Physics, Vol. 2 No. 4, 2012, pp. 197-201. doi: 10.4236/wjcmp.2012.24033.

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