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Applied Physics Letters / Volume 76 / Issue 1 / STRUCTURAL, MECHANICAL, THERMODYNAMIC, AND OPTICAL PROPERTIES OF CONDENSED MATTER

Appl. Phys. Lett. 76, 55 (2000); http://dx.doi.org/10.1063/1.125654 (3 pages)

Direct evidence for oxygen stabilization of icosahedral phase during crystallization of Zr65Cu27.5Al7.5 metallic glass

B. S. Murty1, D. H. Ping1, K. Hono1, and A. Inoue2

1Materials Physics Division, National Research Institute for Metals, Tsukuba 305-0047, Japan
2Institute for Materials Research, Tohoku University, Sendai 980-8577, Japan

(Received 25 August 1999; accepted 5 November 1999)

The present letter reports the formation of the icosahedral phase during crystallization of amorphous Zr65−xCu27.5Al7.5Ox (x = 0.43% and 0.82%) alloys. Three-dimensional atom probe studies have revealed that the quasicrystalline phase is enriched in oxygen. This, together with the fact that no icosahedral phase forms at low oxygen level (0.14%), clearly establishes that the quasicrystalline phase in Zr-based metallic glasses is stabilized by oxygen. © 2000 American Institute of Physics.

© 2000 American Institute of Physics

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KEYWORDS and PACS

Keywords

zirconium alloys, copper alloys, aluminium alloys, metallic glasses, quasicrystals, crystallisation, atom probe field ion microscopy, differential scanning calorimetry, transmission electron microscopy, X-ray diffraction, precipitation

PACS

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.125654

PUBLICATION DATA

ISSN

0003-6951 (print)  
1077-3118 (online)

Publisher

$abstract.society.value is a Member of CrossRef American Institute of Physics

For access to fully linked references, you need to log in.
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    A. Kubler, J. Eckert, A. Gabert, and L. Schultz, J. Appl. Phys. 83, 3438 (1998)JAPIAU000083000006003438000001.

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    U. Köster, J. Meinhardt, S. Roos, and H. Liebertz, Appl. Phys. Lett. 69, 179 (1996)APPLAB000069000002000179000001.

    M. W. Chen, A. Inoue, T. Sakurai, D. H. Ping, and K. Hono, Appl. Phys. Lett. 74, 812 (1999)APPLAB000074000006000812000001.


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