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Evolution of grain structure in thin film reactions
Authors:K. Barmak  J. M. Rickman  C. Michaelsen
Affiliation:(1) Department of Materials Science and Engineering, Lehigh University, 5 East Packer Avenue, 18015 Bethlehem, PA;(2) GKSS Research Center, Institute for Materials Research, D-21502 Geesthacht, Germany
Abstract:In this paper, we examine, both experimentally and theoretically, the kinetics of formation and microstructure of product phases in thin film reactions, using the Nb/Al and Ti/Al systems as our prototypes. The results of calorimetry and microscopy studies are interpreted using simple kinetic and morphology models. In particular, the kinetic models employed here focus on the nucleation and growth components of the phase formation process and the morphology models provide a starting point for the classification of product grain structures. An erratum to this article is available at .
Keywords:Grain structure  microstructure  niobium/aluminum  polycrystalline  thin film reactions  thin films  titanium/aluminum
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