Tribological Properties of the Overbased Calcium Sulfonate Complex Greases Containing Different Lubricant Additives

Peng Qiao; Yan Qiu Xia; Xiang Yu Ge

doi:10.4028/www.scientific.net/AMR.645.133

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 645Tribological Properties of the Overbased Calcium...

Tribological Properties of the Overbased Calcium Sulfonate Complex Greases Containing Different Lubricant Additives

Abstract:

Overbased calcium sulfonate complex greases have excellent friction and wear properties and have been widely used in metallurgy and mining equipment. The effects and tribological performance of molybdenum dialkydithiocarbamate (MoDTC) and ionic liquid 1-(2-hydroxyethyl)-3-methylimidazolium bis (triﬂuoromethylsulfonyl) imide ([C2OHMim][NTf₂]), 1-(2-hydroxyethyl)-3-hexylimidazolium bis (triﬂuoromethylsulfonyl) imide ([C2OHHim][NTf₂s]), added in overbased calcium sulfonate complex grease as additives were investigated by using reciprocating ball-on-disk sliding friction tester. The results showed that the two kinds of additives with a certain range of concentration could improve the tribological properties of greases.