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Abstract
The in situ mechanochemical auto-restoration technology of tribosurfaces has become a subject of great interest in recent years. This paper reports a study of the effect of Ag content in palygorskite (P)/Ag nanocomposites on friction-reducing and anti-wear properties of 45 mild steel tribopair. The electron microprobe has been used in its surfaces topography and elemental analysis. The study shows the auto-restoration layers formed on the tribopairs can decrease the wear mass loss and friction coefficient of these samples remarkably; when the Ag content in P/Ag was properly increased, it can help to decrease the friction coefficient of the tribopair samples.
Acknowledgments
This research was financially supported by the National Nature Science Foundation of China (Grant No. 50965004). We express our sincere gratitude to Prof. Liu Shirong for his help in the analysis of TEM, SEM and EDS.