Abstract
In this work, the effect of chemical treatments of multi-walled carbon nanotubes (MWNTs) on the mechanical interfacial properties of carbon fiber fabric-reinforced composites was investigated. The surface properties of the MWNTs were determined by acid and base values, Fourier transform infrared spectroscopy (FTIR), and X-ray photoelectron spectroscopy (XPS) analyses. The mechanical interfacial properties of the composites were assessed by interlaminar shear stress (ILSS) and critical stress intensity factor (AT 1C). The chemical treatments based on acid and base reactions led to a significant change of surface characteristics of the MWNTs, especially A-MWNTs/carbon fibers/epoxy composites had higher mechanical properties than those of B-MWNTs and non-treated MWNTs/carbon fibers/epoxy composites. These results were probably due to the improvement of interfacial bonding strength, resulting from the acid-base interaction and hydrogen bonding between the epoxy resins and the MWNT fillers.
| Original language | English |
|---|---|
| Pages (from-to) | 612-616 |
| Number of pages | 5 |
| Journal | Polymer (Korea) |
| Volume | 36 |
| Issue number | 5 |
| DOIs | |
| State | Published - Sep 2012 |
Keywords
- Carbon composites
- Mechanical properties
- Multi-walled carbon nanotubes
- Surface treatment