Tribological behaviors of composite molecular deposition films

  • Zhang S
  • Feng D
  • Wang D
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Abstract

Polyallylamine hydrochloride (PAH)/graphite oxides (GO) ultrathin film and the multilayer film of PAH incorporated with TiO2enwrapped by polyacrylic acid (PAA), namely PAH/PAA(TiO2) composite film, were prepared by molecular deposition (MD) method in laboratory. Both of them were heated to change the film forming dynamic force from electrostatic force to covalent bond so as to increase the bonding strength of the films. The structure and nanotribological properties of the films were analyzed by atomic force microscope (AFM) and ultraviolet-visible (UV) spectroscopy. It was found that these films had a much smaller friction force than their substrates and the friction force was dependent on the morphology and/or hardness of the films. © 2005 Elsevier Ltd. All rights reserved.

Author-supplied keywords

  • Molecular deposition (MD) films
  • Nanotribology
  • Tribological behavior

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Authors

  • Si Wei Zhang

  • Dapeng Feng

  • Deguo Wang

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