Abstract
AbstractThe paper presents the results of the calculation of the crystallization energy and investigates its effect on the size of the nanostructured grain during ion-plasma treatment of copper with oxygen and nitrogen ions. It is shown that the crystallization energy increases the energy of ions required to obtain nanostructures. At energies near 300 eV, it ranges from 0.1 to 7 eV, ie can be ignored, but at energies close to 15,000 eV, the crystallization energy is from 200 to 11,000 eV, and the energy for oxygen ions is greater. Calculations also showed that the ion charge significantly affects the crystallization energy for large ion charges in the direction of increase. All these results confirm that it is necessary to take into account the crystallization energy only at energies of 2·103–2·104 eV, and this allows to clarify the technological parameters of ion-plasma treatment of copper to increase the probability of obtaining nanostructures.KeywordsCrystallization energySurface hardeningMicro-coarsenessWear resistanceDiffusion layer
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