Simulation of shear stress in two-dimensional decagonal quasicrystals

Autor:	Johannes Roth, Hans-Rainer Trebin, R. Mikulla
Rok vydání:	1995
Předmět:	Condensed Matter::Materials Science Materials science Lennard-Jones potential Computer simulation Condensed matter physics General Chemical Engineering Shear stress General Physics and Astronomy Quasicrystal Slip (materials science) Plasticity Dislocation Phason
Zdroj:	Philosophical Magazine B. 71:981-988
ISSN:	1463-6417 1364-2812
DOI:	10.1080/01418639508243601
Popis:	To analyse the plasticity of quasicrystals a numerical simulation method has been developed by which shear stress is applied to a two-dimensional atomic configuration of Lennard-Jones particles. The method is based on a microconvergence relaxation procedure. We present results of simulations on a simple binary tiling which is obtained by decoration of the Tubingen triangle tiling. Slip through dislocations is observed. In contrast with periodic crystals the motion of dislocations through a quasicrystal does not leave the configuration undisturbed but creates a wall of phasons.
Databáze:	OpenAIRE
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