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The News of Altai State University
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Content of 1-1(65) 2010
Management, Computer Facilities and Computer Science
Mathematics and Mechanics

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M.D. Starostenkov, O.V. Pozhidaeva, T.A. Tikhonova, G.M. Poletaev, N.N. Medvedev

The Mechanisms of Interaction and Annihilation of Vacancies Aggregates and Interstitial Atoms in a Two-dimensional Lattice of an Ordered Alloy of L12 Superstructure

The annihilation process of the chains of vacancies and interstitial atoms in two-dimensional lattices of ordered alloys Ni3Al, Cu3Au, Ni3Fe of L12 superstructure with orientation corresponding to plane {111} of FCC lattice was studied by the method of molecular dynamics. It was shown that 3 sets of different complexes of chains behaved differently in the process proceeding to their annihilation. Non-diffusion shift of the crystal block was found in the dependence on the distance between them, temperature and time at the final stage beginning from interstitial atoms towards vacancies.

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