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Kinetics of Metallic Glass Formation by Solid State Reactions

Published online by Cambridge University Press:  26 February 2011

K. Samwer ,
H Schröder  and
M. Moske
K. Samwer
Affiliation:
I. Physikalisches Institut, Universität Göttingen D-3400 Göttingen FRG
H Schröder
Affiliation:
I. Physikalisches Institut, Universität Göttingen D-3400 Göttingen FRG
M. Moske
Affiliation:
I. Physikalisches Institut, Universität Göttingen D-3400 Göttingen FRG
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Abstract

Metallic glass formation by solid state reactions has been observed in multilayer Zr-Co diffusion couples. The kinetics of the reaction are limited by the diffusion of the Co-atoms in the growing amorphous layer, at least for longer times, as shown by cross-sectional transmission electron microscopy and resistance measurements. The latter one provides the interdiffusion constant and the activation energy of about 1.1 eV. Deposition of the crystalline layers at 77 K results in an enhanced amorphization process in the first stage of the reaction and gives preliminary answers about the nucleation of the amorphous phase.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 57: Symposium I – Phase Transitions in Condensed Systems--Experiments and Theory , 1985 , 405
Copyright
Copyright © Materials Research Society 1987

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