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- Title
Tensile properties of polyacrylonitrile- and pitch-based hybrid carbon fiber/polyimide composites with some nanoparticles in the matrix.
- Authors
Naito, Kimiyoshi
- Abstract
The tensile properties and fracture behavior of polyacrylonitrile (PAN)- and pitch-based hybrid carbon fiber/polyimide composites with several types of nanoparticles (25 nm C, 20-30 nm β-SiC, 130 nm β-SiC, 80 nm SiO, and 300 nm SiO) added to the matrix were investigated. The tensile stress-strain curves of PAN- and pitch-based hybrid carbon fiber/polyimide composites with 25 nm C, 20-30 nm β-SiC, and 80 nm SiO nanoparticles have complex shapes (jagged trace), whereas the tensile response of hybrid carbon fiber/polyimide composites with 130 nm β-SiC and 300 nm SiO nanoparticles indicates an instantaneous failure. The stress after the initial failure in hybrid carbon fiber/polyimide composites improves by adding 25 nm C, 20-30 nm β-SiC, and 80 nm SiO nanoparticles to the matrix and correlates with the fracture toughness of the polyimide matrix.
- Subjects
POLYACRYLONITRILES; CARBON fiber testing; POLYIMIDES; COMPOSITE materials; FRACTURE mechanics; TENSILE tests; SILICA nanoparticles; FIBROUS composite testing; POLYMERIC composite testing
- Publication
Journal of Materials Science, 2013, Vol 48, Issue 12, p4163
- ISSN
0022-2461
- Publication type
Article
- DOI
10.1007/s10853-013-7229-5