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

Title
Processing and Mode 1 Fracture Toughness of Carbon Fiber Composites Reinforced With Carbon Nanotubes
Authors
김한상
Keywords
탄소나노튜브; 탄소섬유복합재; 나노복합재; 파괴인성; 복합재료; carbon nanotubes; carbon fiber composites; nanocomposites; fracture toughness
Issue Date
2011-10
Publisher
한국복합재료학회지
Citation
VOL 24, NO 5, 39-43
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 fiber 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%.
URI
http://pubs.kist.re.kr/handle/201004/41134
ISSN
1598-6934
Appears in Collections:
KIST Publication > Article
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