The interfacial strength of carbon nanofiber epoxy composite using single fiber pullout experiments
Carbon nanotubes and nanofibers are extensively researched as reinforcing agents in nanocomposites for their multifunctionality, light weight and high strength. However, it is the interface between the nanofiber and the matrix that dictates the overall properties of the nanocomposite. The current tr...
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| Veröffentlicht in: | Nanotechnology 2009-07, Vol.20 (29), p.295701-295701 (5) |
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| container_end_page | 295701 (5) |
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| creator | Manoharan, M P Sharma, A Desai, A V Haque, M A Bakis, C E Wang, K W |
| description | Carbon nanotubes and nanofibers are extensively researched as reinforcing agents in nanocomposites for their multifunctionality, light weight and high strength. However, it is the interface between the nanofiber and the matrix that dictates the overall properties of the nanocomposite. The current trend is to measure elastic properties of the bulk nanocomposite and then compare them with theoretical models to extract the information on the interfacial strength. The ideal experiment is single fiber pullout from the matrix because it directly measures the interfacial strength. However, the technique is difficult to apply to nanocomposites because of the small size of the fibers and the requirement for high resolution force and displacement sensing. We present an experimental technique for measuring the interfacial strength of nanofiber-reinforced composites using the single fiber pullout technique and demonstrate the technique for a carbon nanofiber-reinforced epoxy composite. The experiment is performed in situ in a scanning electron microscope and the interfacial strength for the epoxy composite was measured to be 170 MPa. |
| doi_str_mv | 10.1088/0957-4484/20/29/295701 |
| format | Article |
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| source | MEDLINE; IOP Publishing Journals; Institute of Physics (IOP) Journals - HEAL-Link |
| subjects | Epoxy Resins - chemistry Microscopy, Electron, Scanning Models, Chemical Nanocomposites - chemistry Nanostructures - chemistry Nanostructures - ultrastructure Nanotechnology - methods Nanotubes, Carbon - chemistry Spectrum Analysis, Raman Stress, Mechanical Tungsten - chemistry |
| title | The interfacial strength of carbon nanofiber epoxy composite using single fiber pullout experiments |
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