Rheological review on potential of bio-lubricants

Abstract

The rapid industrialization and population boom (especially in developing countries) has put the non-renewable resources of the world under tremendous pressure. Every country now-a-days are trying to reduce the exchequer on import oil bills. Alternate fuels like biodiesel, bioethanol and biomass are being continuously researched so that their application can be broadened to other fields like lubricants. Since the bio based lubricants are being produced from raw vegetable oils, they possess lower hydrolytic stability, low viscous properties and also low thermos oxidation stability. However, these shortcomings can be addressed by incorporating additives into lubricant world can be greatly increased. This review provides a detailed treatment on bio-lubricants their physicochemical properties, the various additives used to improve the properties of bio-lubricants. This paper provides a detailed insight to researchers and practioners in the field of tribology