%0 Journal Article %T RESEARCH OF TRIBOLOGICAL PROPERTIES OF COATINGS OF PISTON RINGS OF A MARINE INTERNAL COMBUSTION ENGINE %A VOLINTIRU, O.. %A VASILESCU, M.. %A Epikhin, A.I. %A Toriya, T.G. %A Somko, M.L. %A Modina, M.A. %K piston rings, deposition, ion-plasma coating, durability, lock, cast iron, tribological characteristics %J Operation of Maritime Transport %D 2022 %N %P 4 %I Budget Educational Institution of Higher Education “Admiral Ushakov State Maritime University”