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The Atomic Level Simulation of the Vacancy Pore Evolution in Irradiated Materials

Author(s): A.I. Kul’ment’ev

Journal: Journal of Nano- and Electronic Physics
ISSN 2077-6772

Volume: 2;
Issue: 4;
Date: 2010;
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Keywords: Computer Simulation | Reactor Material Science | Space-Time Levels | Vacancy Pores | Common Neighbor Analysis | Nanophysics

The method allowing in a sequential multi-level simulation of radiation damage evolution to determine at the atomic level the subset of atoms forming the boundary of vacancy pore is proposed. Computer modelling of the collapse process of the initially spherical pore is performed. Dependences of the shape parameters of the pore on the compression coefficient are obtained and compared with those derived analytically. It is shown that this method may be used for determination of the pore collapse phase and for prediction of the direction of the pore most probable evolution.
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