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Metallic Glass Formation Diagrams*

Published online by Cambridge University Press:  15 February 2011

B. C. Giessen  and
S. H. Whang
B. C. Giessen
Affiliation:
Materials Science Division, Institute of Chemical Analysis and Department of Chemistry, Northeastern University, Boston, Massachusetts, 02115, USA
S. H. Whang
Affiliation:
Materials Science Division, Institute of Chemical Analysis and Department of Chemistry, Northeastern University, Boston, Massachusetts, 02115, USA
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Abstract

The ability to predict ready glass formation (RGF) in binary alloy systems upon rapid cooling of the melt is of value both theoretically and practically. Two-dimensional maps show promise as a means of associating RGF with two system parameters which must have a combination of favorable values. In this paper, two types of glass formation diagrams are reviewed. One of these, the ΔH-r/R plot, is based on fundamental parameters which can, in principle, be derived from elemental quantities for each binary alloy system. The second type of diagram, the temperature-composition map, uses two equilibrium phase diagram features, namely reduced liquidus temperatures and reduced eutectic compositions to predict RGF. Both approaches are compared for binary alloys of Zr. The temperature-composition plot approach can be extended to predict qualitatively the RGF composition range of a given alloy system.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 19: Symposium E – Alloy Phase Diagrams , 1982 , 289
Copyright
Copyright © Materials Research Society 1983

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Footnotes

*

Communication #163 of the Institute of Chemical Analysis at Northeastern University, Boston, Massachusetts 02115 USA.

References

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