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http://dx.doi.org/10.7234/kscm.2011.24.5.039

Processing and Mode 1 Fracture Toughness of Carbon Fiber Composites Reinforced With Carbon Nanotubes  

Kim, Han-Sang (한국과학기술연구원 복합소재기술연구소)
Publication Information
Composites Research / v.24, no.5, 2011 , pp. 39-43 More about this Journal
Abstract
For the last twenty years, nanocomposites composed of polymer matrices reinforced with carbon nanotubes (CNTs) have been an active research area. Also, the polymeric nanocomposites reinforced with CNTs are being investigated to be used matrices of carbon fiber composites. Carbon tiber composites have achieved advanced properties in the direction of carbon fibers due to enhanced carbon fiber properties. However, the matrix dominated properties need to be improved further to fully utilize the advanced carbon fiber properties. In particular, delamination is a typical and critical reason for fracture of carbon fiber composites. Mode I fracture toughness test which is also often called double cantilever beam (DCB) test shows the resistance to delamination of carbon fiber composites and this test is performed on carbon fiber composite samples incorporated with carbon nanotubes functionalized with various functional groups. The specimens with mat-like CNT layers showed the increased fracture toughness by 10.6%.
Keywords
carbon fiber composites; carbon nanotubes; fracture toughness; nanocomposites;
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Times Cited By KSCI : 1  (Citation Analysis)
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