期刊
JOURNAL OF COMPOSITE MATERIALS
卷 56, 期 3, 页码 397-407出版社
SAGE PUBLICATIONS LTD
DOI: 10.1177/00219983211049289
关键词
Carbon fiber reinforced plastics; nanostructure; mechanical properties
The study investigated the mode-I and mode-II interlaminar fracture properties of high modulus pitch-based CFRPs modified with 20-30 nm beta-SiC nanoparticles or MWCNTs. The results showed that adding these nanostructures could enhance the fracture toughness of the CFRPs, but the performance decreased with increasing volume fraction of the inclusions. No differences in mechanical properties were observed among the different types of nanostructures.
The mode-I and mode-II interlaminar fracture properties of high modulus pitch-based carbon fiber reinforced polymers (CFRPs) (fiber: K13C; resin: EX-1515 cyanate ester) modified with 20-30 nm beta-SiC nanoparticles or multiwalled-carbon nanotubes (MWCNTs) were investigated. Different volume fractions of both the beta-SiC nanoparticles (1, 2, 5, and 10 vol%) and MWCNTs (1, 3, 5, and 7 vol%) were tested. The values of the mode-I and mode-II interlaminar fracture toughness of the CFRPs containing the lowest volume fractions of these nanostructures were larger compared with the unfilled composite but decreased with increasing the volume fraction of the inclusions. No differences in mechanical properties were observed among the different nanostructure types.
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