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Friction and Wear Response of CottonSeed Oils and Esterified CottonSeed Oil and their Blends with Mineral Engine Oil in a Reciprocating Sliding Contact at Severe Contact Conditions

Gulab Siraskar, R.S. Jahagirdar

Abstract


Many studies investigating the tribological performance of pure cottonseed and other bio-based  oils have been conducted; a better understanding of vegetable oil tribological performance at extreme conditions is still required. Little work has been carried out to study the effect of the vegetable oils on the performance of a lubricant formed from a blend of cottonseed oil and conventional mineral engine oil. This work presents the tribological performance of Cottonseed oils, esterifies cottonseed oil and their blends with mineral oil, in a high temperature and contact pressure reciprocating contact. Cottonseed oil and esterifies cottonseed oil was mixed with commercial mineral engine oil at an equal (1:1) ratio by volume. The conventional mineral oil was also tested to provide an ideal condition for reference. The pure cottonseed oil exhibited lower friction than esterifies cottonseed oil. The friction performance of the esterifies cottonseed oil was competitive to that of the mineral engine oil. The mineral engine oil was very good in wear resistance over both cottonseed and esterifies cottonseed oil. When blended with mineral engine oil both (cottonseed oil and esterified cottonseed oil) oils demonstrated a reduction in coefficient of friction when compared to their pure cottonseed oil. An improvement in wear performance was observed for esterifies and blend with mineral oils.  This work shows that for cottonseed oil and esterifies cottonseed oil, the performance of blended mineral oil is influenced by its cottonseed oil component and that tribological characteristics of cottonseed oils are dominant. That said, the significant limitation of these cottonseed oils is their ability to provide a satisfactory level of wear resistance. Esterifies cottonseed oil show improved the result. It is suggested that any future work in this area should have a greater emphasis on the enhancement of wear resistance, and study should be made with different additives.

 


Keywords


cotton seed oil;esterifies cotton seed oil; Mineral Oil; Blend; Friction; Wear

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References


Gulab Siraskar, R.S. Friction and Wear Response of CottonSeed Oils and Esterified CottonSeed Oil and their Blends with Mineral Engine Oil in a Reciprocating Sliding Contact at Severe Contact Conditions. Journal of Automobile Engineering and Applications. 2019; 6(2): 20–35p.


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