Friction and wear properties of ZrO2/SiO2 composite nanoparticles
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In this article, the lubrication properties of ZrO2/SiO2 composite nanoparticles modified with aluminum zirconium coupling agent as additives in lubricating oil under variable applied load and concentration fraction were reported. It was demonstrated that the modified nanoparticles as additives in lubrication can effectively improve the lubricating properties. Under an optimized concentration of 0.1 wt%, the average friction coefficient was reduced by 16.24%. This was because the nanoparticles go into the friction zone with the flow of lubricant, and then the sliding friction changed to rolling friction with a result of the reduction of the friction coefficient.
KeywordsZrO2/SiO2 Additive Friction Self-repairing Lubrication Colloids
The authors acknowledge the financial support from National Science Foundation of China (50572034). B. Cai is an Oversea Taishan Scholar and thank the financial support from UJN for a new faculty.
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