Grain Boundary Structures in f.c.c, and b.c.c. Metals and Sites for Segregated Impurities
نویسندگان
چکیده
The key features leading to low-energy grain boundaries in metals are discussed by reference to computersimulated structures and geometrical analysis in terms of atom packing. Low energy is found to be associated with boundary structures consisting of relatively dense packing, and this can in turn be expressed in terms of the space-filling packing of coordination polyhedra. The geometrical method of analysis is shown to be well suited to the identification of interfacial sites for segregated impurities. Disciplines Atomic, Molecular and Optical Physics | Condensed Matter Physics | Engineering | Materials Science and Engineering | Structural Materials This journal article is available at ScholarlyCommons: http://repository.upenn.edu/mse_papers/227
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