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Thermal Stability of Rapidly Quenched TI-NI-AL Amorphous Alloys

Published online by Cambridge University Press:  25 February 2011

K. Aoki ,
K. Hiraga  and
T. Masumoto
K. Aoki
Affiliation:
The Research Institute for Iron, Steel and Other Metals, Tohoku University, Sendai 980, Japan
K. Hiraga
Affiliation:
The Research Institute for Iron, Steel and Other Metals, Tohoku University, Sendai 980, Japan
T. Masumoto
Affiliation:
The Research Institute for Iron, Steel and Other Metals, Tohoku University, Sendai 980, Japan
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Abstract

Ti-Ni-Al alloys were rapidly quenched from a molten state by the melt spinning method. Three kinds of metastable phases, namely, amorphous,nonequilibrium and quasicrystalline phases are formed in these alloys. The amorphous phase is formed in the range of 35 to 70 at% Ti and 0 to 25 at% Al. The nonequilibrium phases are formed in the composition range of 25 to 33 at% Ti. On the other hand, fine quasicrystalline phases are distributed in the amorphous matrix of the Ti-rich alloys. Crystallization temperatures and the hardness of the amorphous alloys were also examined.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 58 , 1985 , 59
Copyright
Copyright © Materials Research Society 1986

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References

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