期刊
JOURNAL OF MATERIALS SCIENCE
卷 48, 期 12, 页码 4163-4176出版社
SPRINGER
DOI: 10.1007/s10853-013-7229-5
关键词
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资金
- JSPS (Japan Society for the Promotion of Science) KAKENHI [22360282]
- JST (Japan Science and Technology Agency) through Advanced Low Carbon Technology Research and Development Program (ALCA)
- Grants-in-Aid for Scientific Research [22360282] Funding Source: KAKEN
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 beta-SiC, 130 nm beta-SiC, 80 nm SiO2, and 300 nm SiO2) 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 beta-SiC, and 80 nm SiO2 nanoparticles have complex shapes (jagged trace), whereas the tensile response of hybrid carbon fiber/polyimide composites with 130 nm beta-SiC and 300 nm SiO2 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 beta-SiC, and 80 nm SiO2 nanoparticles to the matrix and correlates with the fracture toughness of the polyimide matrix.
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