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Transitory Metastable Phases in Refractory Metals-Based Systems Solidified by Drop-Tube Processing: A First-Principles Approach

Published online by Cambridge University Press:  10 February 2011

A. Pasturel and
B. Vinet
A. Pasturel
Affiliation:
Laboratoire de Physique et Modélisation des Milieux Condens´s. Maison des Magistères, BP 166 CNRS, 38042 Grenoble-Cedex, FRANCE.
B. Vinet
Affiliation:
CEA-CEREM-Département d'Étude des Matériaux, 17 rue des Martyrs, 38041 Grenoble Cedex 9, FRANCE.
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Abstract

Refractory metals and alloys are deeply undercooled in an ultrahigh vacuum drop-tube facility. During rapid solidification, some brightness traces give evidences of two successive phase transformations. First-principles calculations of the structural stability in these systems are developed to appreciate the possibilities of obtaining metastable phases.

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References

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