Binary Ni-Nb bulk metallic glasses

Journal Article · Sun Jan 15 00:00:00 EST 2006 · Journal of Applied Physics

DOI:https://doi.org/10.1063/1.2158130· OSTI ID:20787806

Xia, L; Li, W H; Fang, S S; Wei, B C; Dong, Y D ^[1]

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1. Center for Advanced Microanalysis, Shanghai University, Shanghai 200444 (China)

We studied the glass forming ability of Ni-Nb binary alloys and found that some of the alloys can be prepared into bulk metallic glasses by a conventional Cu-mold casting. The best glass former within the compositional range studied is off-eutectic Ni{sub 62}Nb{sub 38} alloy, which is markedly different from those predicted by the multicomponent and deep eutectic rules. The glass formation mechanism for binary Ni-Nb alloys was studied from the thermodynamic point of view and a parameter {gamma}* was proposed to approach the ability of glass formation against crystallization.

• OSTI ID: 20787806
• Journal Information: Journal of Applied Physics, Vol. 99, Issue 2; Other Information: DOI: 10.1063/1.2158130; (c) 2006 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA); ISSN 0021-8979
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
BINARY ALLOY SYSTEMS
CASTING MOLDS
CRYSTALLIZATION
EUTECTICS
METALLIC GLASSES
NICKEL ALLOYS
NIOBIUM ALLOYS
VITRIFICATION