V. A. Mikheev’s research while affiliated with The Union Institute and other places

In order to estimate the lubricating properties of the existing hydraulic liquids and those to be newly developed, use has been made of a complex of methods of investigation. The methods used can be subdivided into three groups: those for evaluating the anti-wear properties, methods for studying the processes at the metal-liquid interface under static and dynamic conditions, and methods for studying the stability of the lubricating medium in the friction zone. It has been shown to be possible to improve the anti-wear properties of hydraulic liquids by using bases containing iso-paraffinic structures and monocyclic naphthenic hydrocarbons, and by the introduction of anti-wear and antioxidant additives. No effects of the viscosity additive on these properties were observed.