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Materials Research Society, Materials Research Society Symposium Proceedings, (1300), 2011

DOI: 10.1557/opl.2011.304

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The effect of Ni-substitution on physical Properties of Fe72-xB24Nb4Nix Bulk Metallic Glassy Alloys

Journal article published in 2011 by Ansar Masood, Anis Biswas ORCID, V. Ström, L. Belova, J. Ågren, K. V. Rao
This paper is available in a repository.
This paper is available in a repository.

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Abstract

ABSTRACTWe have succeeded in producing bulk metallic glass by partial substitution of Fe with Ni in Fe-B-Nb alloys which could otherwise be only melt spun into amorphous ribbons. Substitution by Ni in the Fe72-xB24Nb4Nix alloys with (x ~2, 4, 6, 8, 10, 12 and 14) improves the glass forming ability of the materials and as a result rods of same compositions can be fabricated. Magnetically the BMG alloys remain soft with coercitivities below 500 mOe- However, the electrical resistivity of the system decreases significantly by as much as a factor of two with the increase of Ni concentration, and becomes more metallic like with a positive temperature coefficient.