The increasing requirements for fuel economy, engine performance and reliability, while maintaining durability over time, have created unprecedented demands for low viscosity fluids to provide engine protection more characteristic of higher viscosity oils. In order to address these competing requirements, a greater portion of the friction lowering work must be supplied by the lubricant additives, as the conditions at the fluid/metal interface move from hydrodynamic to boundary lubrication. This has created a need for a new paradigm in friction-lowering chemistry based on surface activated additive systems that can efficiently produce the friction lowering required for efficient and long-lasting engine operation under harsh boundary lubrication conditions.<br/>

Unified friction theory: A paradigm shift in friction management

249th National Meeting (2015)

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