Geodesic
Numerical modeling of alloys nanostructure rearrangement by means of molecular dynamics methods
Matematičeskoe modelirovanie i čislennye metody, no. 16 (2017), pp. 3-16 Cet article a éte moissonné depuis la source Math-Net.Ru

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The article presents a mathematical model of the alloys nanoparticles structure rearrangement dynamics after the instantaneous thermal influence (heating or cooling). The model is based on using the method of molecular dynamics of multicomponent alloys with the Lennard-Jones and Morse interatomic potentials as well as the initial conditions of momentary expansion or compression of the alloy nanoparticle regular crystalline structure. We computationally investigate the regularities of rearranging the initially regular atomic structure of a nanoparticle over time. It is shown that depending on the number of atoms in a nanoparticle various finite settled forms of the alloys nanoparticle are possible, both amorphous and new crystalline structures different from the alloy original crystalline nanostructure. We provide numerical results for the titanium nanoparticles and the titanium-nickel alloy (nitinol).
Keywords: molecular dynamics method, structure rearrangement, alloys, crystalline structure, numerical simulation, interatomic potentials.
Mots-clés : nanostructure 
@article{MMCM_2017_16_a0,
     author = {I. K. Krasnov and T. Yu. Mozzhorina and A. N. Balanin},
     title = {Numerical modeling of alloys nanostructure rearrangement by means of molecular dynamics methods},
     journal = {Matemati\v{c}eskoe modelirovanie i \v{c}islennye metody},
     pages = {3--16},
     year = {2017},
     number = {16},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MMCM_2017_16_a0/}
}
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I. K. Krasnov; T. Yu. Mozzhorina; A. N. Balanin. Numerical modeling of alloys nanostructure rearrangement by means of molecular dynamics methods. Matematičeskoe modelirovanie i čislennye metody, no. 16 (2017), pp. 3-16. http://geodesic.mathdoc.fr/item/MMCM_2017_16_a0/