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Formation of A Quasicrystalline Phase from The Glassy State in Pd-U-Si

Published online by Cambridge University Press:  25 February 2011

A. J. Drehman ,
S. J. Poon  and
K. R. Lawless
A. J. Drehman
Affiliation:
Ames Laboratory-USDOE, Iowa State University, Ames, IA 50011
S. J. Poon
Affiliation:
University of Virginia, Charlottesville, 22901
K. R. Lawless
Affiliation:
University of Virginia, Charlottesville, 22901
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Abstract

Metallic glasses of composition Pd58.8U20.6Si20.6 can be transformed to a metastable single phase with quasicrystall ne order by thermal annealing. The icosahedral symmetry of this phase was verified by both electron and x-ray diffraction. Although the metallic glass can be formed over a broad compositional range the homogeneity range of this icosahedral phase is less than 1%. This indicates strong chemical ordering in the quasicrystalline state.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 58 , 1985 , 249
Copyright
Copyright © Materials Research Society 1986

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References

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