HE Jinmei, HUANG Yudong, ZHOU Haoran, et al. Self-assembly of the interphase of carbon fiber/epoxy composites[J]. Acta Materiae Compositae Sinica, 2007, 24(1): 28-33.
Citation: HE Jinmei, HUANG Yudong, ZHOU Haoran, et al. Self-assembly of the interphase of carbon fiber/epoxy composites[J]. Acta Materiae Compositae Sinica, 2007, 24(1): 28-33.

Self-assembly of the interphase of carbon fiber/epoxy composites

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  • Corresponding author: HUANG Yudong
  • Received Date: 2006-04-03
  • Rev Recd Date: 2006-05-29
  • Publish Date: 2007-02-15
  • A new method based on the molecular self-assembly was proposed for the carbon fiber surface modification. The carbon fiber surface was first metallized by electroless Ag plating and then covered by organic compound self-assembly films. The surface-enhanced Raman scattering spectroscopy (SERS) analysis verifies that two nitrogen-containing or sulphur-containing aromatic heterocyclic compounds were chemisorbed onto the Ag-plated carbon fibers and formed a lie-down phase. XPS further proves the chemisorption of self-assembly films on the carbon fiber surface via the formation of S—Ag or N—Ag bonds. The interfacial bonding strengths of modified carbon fiber/epoxy composites are improved. The relationship between the structures of interfacial regions and properties of the micro-composites is revealed.

     

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