On the glass-forming ability of Ni–P binary alloys

Journal Article · Wed Aug 15 00:00:00 EDT 2012 · Materials Research Bulletin

DOI:https://doi.org/10.1016/J.MATERRESBULL.2012.04.016· OSTI ID:22215176

Huang, Q. S.; Lu, B. F.; Kong, L. T. ^[1]

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1. State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240 (China)

Graphical abstract: Compositional dependences of microhardness (HV), maximum thickness of glass (D{sub c}) and full width at half maximum (FWHM) of the main diffuse peak of the XRD spectrum of Ni–P metallic glasses. Highlights: ► The compositional dependence of GFA in Ni–P system is established. ► A correlation between GFA and microhardness is revealed. ► The atomic packing density determines the GFA and microhardness behaviors. -- Abstract: The composition dependence of glass-forming ability (GFA) of Ni–P binary alloys was systematically examined by fabricating ribbons of different thicknesses, and the microhardness of the glassy ribbon was measured. The eutectic alloy Ni{sub 80.4}P{sub 19.6} has the best GFA and the highest microhardness in glassy state. As the alloy composition is deviated from the eutectic composition, both GFA and microhardness decrease, accompanied with an increasing full width at half maximum of the main broad peak in the X-ray diffraction spectrum of the glassy ribbon. All these results indicate a close correlation among microstructure, GFA and microhardness for the metallic glass.

• OSTI ID: 22215176
• Journal Information: Materials Research Bulletin, Vol. 47, Issue 8; Other Information: Copyright (c) 2012 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved.; Country of input: International Atomic Energy Agency (IAEA); ISSN 0025-5408
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
ALLOYS
BINARY ALLOY SYSTEMS
GLASS
METALLIC GLASSES
MICROHARDNESS
MICROSTRUCTURE
SPECTRA
X-RAY DIFFRACTION