Interfacial Nanostructure of 2D Ti3C2/Graphene Quantum Dots Hybrid Multicoating for Ultralow Wear
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The 2D Ti3C2/graphene quantum dots (GQDs) composite coating contains numerous merits, which offers underlying solutions for lubrication issues in common conditions. Herein, specific efforts are devoted to explore and develop the antiwear interfacial performances of 2D Ti3C2/GQDs hybrid multicoating in common environment. In addition, combination with nanodiamond would impose significant effects on improving lubricity of binary composite coating to obtain long-durability ternary composite coating. Meanwhile, macroscale and atomicscale characterizations are utilized to detect the lubrication behavior of binary and ternary composite coating to illuminate the influence of compositions on the establishment of ultralow-wear interfaces on slip process. These testing results highlight an outspread lubrication mechanism for 2D Ti3C2/GQDs hybrid multicoating. They suggest that 2D Ti3C2/GQDs and 2D Ti3C2/nanodiamond/GQDs composite coating exhibit ultralow wear with rubbing against polytetrafluoroethylene ball. A newly nanostructured tribofilm is formed on the sliding contact. Also the 2D Ti3C2/nanodiamond/GQDs ternary coating has long-durability and ultralow-wear during sliding for a long time.
Artículo de publicación ISI
Quote ItemAdvanced Engineering Materials Volume: 22 Issue: 4 Published: Apr 2020
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