Grain Boundary Segregation in Metallic Materials: Experiment and Modelling

Dear Colleagues,

Grain boundary segregation is a phenomenon of increasing importance, mainly in connection with stabilization of nanocrystalline structures. Simultaneously, the interest in grain boundary segregation is accelerated by the development of the methods of theoretical calculations and their expansive applications.

However, all progress brings new questions and problems. One of the problems which needs to be clearly elucidated is the fact that experimentally determined segregation energies do not fit with those obtained from theoretical calculations in many cases. It may be connected with neglecting segregation entropies in theoretical calculations or with an inability to experimentally determine the segregation characteristics for individual grain boundary sites.

The aim of this Special Issue is to demonstrate recent progress in the field of grain boundary segregation with a special focus on comparison of experimental results and theoretical calculations. New experimental and theoretical approaches to the study of grain boundary segregation and their results are also well fitting with the aim of this Special Issue. Besides these fundamental problems, the results of the applications related to grain boundary segregation such as grain boundary engineering, the stabilization of nanocrystalline structures, and nonequilibrium phenomena due to irradiation or deformation are also welcome.

Prof. Dr. Pavel Lejček
Dr. Miroslav Černý
Guest Editors

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