The aim of this study is to fabricate the nanocomposite with low friction and high wear resistance using binary solid lubricant particles.The microstructure and tribological performance of the nanocomposite are evalua...The aim of this study is to fabricate the nanocomposite with low friction and high wear resistance using binary solid lubricant particles.The microstructure and tribological performance of the nanocomposite are evaluated,and the composition and film thickness of the lubricating film are observed and analyzed by scanning electron microscopy(SEM)and X‐ray photoelectron spectroscopy(XPS).The nanocomposite exhibited improved tribological properties with a friction coefficient as low as 0.12 and a low wear rate of 2.17×10^(-6) mm^(3)/(N∙m)in high‐purity nitrogen atmosphere.Decreasing sliding speed can increase lubricating film thickness,and the thickest lubricating film is approximately 125 nm.As the film thickness of the lubricating film exceeded 90 nm,the friction coefficient curves became smooth.In compared with WS_(2),MoS_(2) can be more effective in forming the transfer layer on the worn surfaces at the initial stage of the tribological process.展开更多
基金The authors would like to thank National Natural Science Foundation of China(Grant No.51674304)for the financial support provided.
文摘The aim of this study is to fabricate the nanocomposite with low friction and high wear resistance using binary solid lubricant particles.The microstructure and tribological performance of the nanocomposite are evaluated,and the composition and film thickness of the lubricating film are observed and analyzed by scanning electron microscopy(SEM)and X‐ray photoelectron spectroscopy(XPS).The nanocomposite exhibited improved tribological properties with a friction coefficient as low as 0.12 and a low wear rate of 2.17×10^(-6) mm^(3)/(N∙m)in high‐purity nitrogen atmosphere.Decreasing sliding speed can increase lubricating film thickness,and the thickest lubricating film is approximately 125 nm.As the film thickness of the lubricating film exceeded 90 nm,the friction coefficient curves became smooth.In compared with WS_(2),MoS_(2) can be more effective in forming the transfer layer on the worn surfaces at the initial stage of the tribological process.
