Magnetic properties of melt spun NdFe sub 10 Cr sub 2 Nd sub 0. 67 B sub 0. 33 pseudobinary alloys

Journal Article · Sat Sep 01 04:00:00 EDT 1990 · IEEE Transactions on Magnetics (Institute of Electrical and Electronics Engineers); (USA)

DOI:https://doi.org/10.1109/20.104388· OSTI ID:5876869

Huang, S H; Chin, T S; Chen, Y S; Chen, S K ^[1]; Lin, C H; Wu, C D; Chang, W C ^[2]

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1. Dept. of Materials Science and Engineering, National Tsing Hua Univ., Hsinchu 30043 (TW)
2. Materials Research Lab., ITRI, Hsinchu 31000 (TW)

This paper reports the coercivity of the melt spun pseudobinary (NdFe{sub 10}Cr{sub 2}){sub 1{minus}x}(Nd{sub 2}B){sub x} alloys, in which Nd{sub 2}B represents a composition of Nd{sub 0.67}B{sub 0.33} systematically studied. It was found that significant coercivities are possible with optimal additions of the Nd-B composition at x = 0.5 - 0.7. The as-spun (substrate velocity, Vs = 10 m/s) coercivity increased from 0.1 kOe at x = 0.0 to maxima of 7.0 and 7.5 kOe at x = 0.5 and 0.7, due to the Nd{sub 2}Fe{sub 14}B and a new Fe-Nd phase, respectively, as evidenced from thermomagnetic analysis and x-ray diffraction. Annealing the over-quenched amorphous x = 0.7 alloy led to the crystallization of the Nd{sub 2}Fe{sub 14} phase and a coercivity of 8.5 kOe was obtained.

• OSTI ID: 5876869
• Journal Information: IEEE Transactions on Magnetics (Institute of Electrical and Electronics Engineers); (USA), Journal Name: IEEE Transactions on Magnetics (Institute of Electrical and Electronics Engineers); (USA) Vol. 26:5; ISSN IEMGA; ISSN 0018-9464
• Country of Publication: United States
• Language: English

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