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Periodic Pattern Formation in Metal-Ceramic Reactions

Journal Advances in Science and Technology (Volume 46)
Volume Mass and Charge Transport in Inorganic Materials III
Edited by P. VINCENZINI and V. BUSCAGLIA
Pages 136-145
DOI 10.4028/www.scientific.net/AST.46.136
Citation A.A. Kodentsov et al., 2006, Advances in Science and Technology, 46, 136
Online since October, 2006
Authors A.A. Kodentsov, F.J.J. van Loo
Keywords Kirkendall Effect, Metal-Ceramic Reaction, Periodic Pattern
Abstract

Formation of diffusion zone morphologies periodic in time and space during metalceramic reactions is considered as a manifestation of the Kirkendall effect. In a diffusion-controlled interaction, the Kirkendall marker plane can bifurcate, which is attributed to diverging vacancies fluxes in the reaction zone. When the Kirkendall plane is present in a phase layer, it attracts in situproduced inclusions of “secondary-formed phase”, which, in turn, can result in a highly patterned microstructure.

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