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Z. H. Stachurski, W. Brostow

Methamorphosis of Voronoi polyhedra as a definite measure

of the elastic-to-dissipative atomic displacement transition

Polimery 2001, No 5, 302




Summary

The present method allows to describe the structure of non-crystalline and crystalline solids by constructing a Voronoi diagram. The method gives a detailed structural information about individual atom s and their surroundings. The deformation and methamorphosis of the Voronoi polyhedron is described for an interstitial atom in anfee crystal; an associated criterion is given for the elastic-to-anelastic transition. An extension of the idea to include amorphous materials is indicated. Voronoi tessellation has been applicd in the fields of materials science, physics and chemistry.

Keywords: Voronoi polyhedra, Voronoi diagram, deforrnation and metha­morphosis of Voronoi polyhedron for interstitial atom in fee crystal

Z. H. Stachurski, W. Brostow (282 KB)
Methamorphosis of Voronoi polyhedra as a definite measure of the elastic-to-dissipative atomic displacement transition