Abstract
A study of the effect of cold air plasma on cathode nickel grade N-1 has been carried out. The changes in the microstructure, macro- and microstresses, as well as static displacements of atoms from equilibrium positions are investigated. By the method of aim metallography it was shown that the microstructure does not change under plasma exposure. X-ray structural studies have established that the level of microstresses does not change when exposed to plasma. A decrease in the magnitude of macrostresses is shown when exposed to plasma for 5 and 10 min. Macrostresses in this case vary from tensile stresses in the initial state to compressive stresses after exposure to plasma. The change in the static displacements of atoms from the equilibrium positions and their decrease when exposed to plasma have been established.
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