Tribological performance of ultra-low viscosity composite base fluid with bio-derived fluid

Authors: LORENZO-MARTIN, CINTA - Argonne National Laboratory; AJAYI, OYELAYO - Argonne National Laboratory; FENSKE, GEORGE - Argonne National Laboratory; Biresaw, Girma; Harry O Kuru, Rogers; Bantchev, Grigor

Submitted to: Society of Tribologists and Lubrication Engineers
Publication Type: Abstract Only
Publication Acceptance Date: 12/5/2017
Publication Date: 5/20/2018
Citation: Lorenzo-Martin, C., Ajayi, O.O., Fenske, G.R., Biresaw, G., Harry O Kuru, R.E., Bantchev, G.B. 2018. Tribological performance of ultra-low viscosity composite base fluid with bio-derived fluid [abstract]. Society of Tribologists and Lubrication Engineers Annual Meeting and Exhibition. p. 105.

Interpretive Summary:

Technical Abstract: One obvious approach to increase efficiencies in many lubricated systems such as ICE and gearbox is the reduction in viscosity of oil lubricant. Indeed, ultra-low viscosity engine oils are now commercially available. One approach to the development of ultra-low viscosity lubricants without compromising reliability and durability of the lubricated system is the use of composite base-fluid consisting of many constituents with optimized rheological and surface properties. This paper presents evaluation of rheological properties, friction and wear performance attributes of PAO-2 and bio-based ester composite fluids with viscosity about 3 cSt at 100°C. The composite base-fluid showed substantial wear reduction and noticeable reduction in friction compared to PAO-2 and bio-based ester. Additions of antiwear and friction modifier additives further enhanced the tribological performance of composite base fluids under different contact conditions.