Nanostructured titanium coatings for parts operating under conditions of fretting-corrosion

Abstract

The article proposes an improved system of ion-plasma modification based on the use of three cathodes installed at different angles. Using the methods of scanning electron microscopy and energy dispersion analysis, the authors study the morphology, the composition of elements and the coating structure in terms of titanium nitride formed by ion-plasma modification with a change in processing time. They find that there is no drop phase of metallic titanium, adversely affecting the mechanical properties in the coating formed on the studied technological regimes of ion-plasma processing. An experimental assessment of the destruction of nanostructured ion-plasma coatings on the structural parts of pipeline fittings operating under fretting corrosion is carried out.The article proposes an improved system of ion-plasma modification based on the use of three cathodes installed at different angles. Using the methods of scanning electron microscopy and energy dispersion analysis, the authors study the morphology, the composition of elements and the coating structure in terms of titanium nitride formed by ion-plasma modification with a change in processing time. They find that there is no drop phase of metallic titanium, adversely affecting the mechanical properties in the coating formed on the studied technological regimes of ion-plasma processing. An experimental assessment of the destruction of nanostructured ion-plasma coatings on the structural parts of pipeline fittings operating under fretting corrosion is carried out.