ABSTRACT

The chapter formulates the problem of deformation and fracture of nano-composites by the molecular dynamics method. To describe the interatomic potential used embedded atom. Molecular dynamic modeling of uniaxial tension of a layered Al/Cu nanocomposite has been performed. Deformation nanocomposite is carried by elastic and plastic deformation of the material to fracture. The basic parameters of the deformation of materials are investigated-deformation, stress, temperature, and atomic structure of the material. Modeling showed that when the stresses in the sample reached the elastic limit, nucleation of defects in the crystal lattice of the material and their propagation through the crystal in the form of shifts and rotations of atoms in the crystal planes were observed. The areas of nucleation of plastic strains and the formation of defects are determined. The maximum destruction of the material occurred at the interface of the components of the nanocomposite.