Abstract
The polymer molecular deposition films including polyelectrolyte molecular deposition (PEMD) film and nanoparticles composite molecular deposition (NPs/MD) film have been prepared using the molecular deposition method and the in situ synthesize method. The polymer molecular deposition films were characterized by atomic force microscope (AFM) and X-ray photoelectron spectroscopy (XPS). The tribological behaviors of the substrate and polymer molecular deposition films were investigated by a tribometer based on interferometer. It is found that the NPs/MD film has a lower friction force and a better anti-wear property than the PEMD film under the dry friction. The poly alpha olefin (PAO2) and water films confined between samples and steel ball surfaces have been investigated using thin film interferometry. The friction force of substrate was lower than the polymer molecular deposition films under PAO2 lubrication. The friction forces alteration of PEMD film and NPs/MD film were similar and consistent, and lower than that for substrate under water lubrication.
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The study is financially supported by the National Natural Science Foundation of China (Grant No. 50975288) and the National Basic Research Program of China (973, 2007CB607604).
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Guo, Y., Wang, D., Liu, S. et al. Investigation of the Tribological Behaviors of Polymer Molecular Deposition Films by Tribometer Based on Interferometer. Tribol Lett 41, 515–524 (2011). https://doi.org/10.1007/s11249-010-9708-z
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DOI: https://doi.org/10.1007/s11249-010-9708-z