cold gas-dynamics spray, plastic deformation, spherical particle, ideal plasticity, slip lines, kinetic energy, particle velocity, coating thickness, coating density.

Simulation of the spherical particles plastic deformation during cold gas-dynamics spray on the rigid surface is presented. The ideal plasticity model is assumed for simulation of the particles contact plastic deformation on the rigid boundary and between the particles moving orthogonal to the spray surface. High supersonic velocities of the particles induce plastic deformation of the sphere to a thin disc, and the surface coating is generated from a number of deformed particles.

Nepershin Rostislav Ivanovich ,

e-mail: nepershin_ri@rambler.ru, Dr. Sci. Eng., Professor, Moscow State Technological University STANKIN, Moscow, Russia.