Research Article

Mechanical Properties of Epoxy and Its Carbon Fiber Composites Modified by Nanoparticles

Table 3

Flexural properties of unidirectional CF/epoxy composites.

Compositewt.% of fillerStrength 
(MPa)
Relative increase 
(%)
Modulus 
(GPa)
Relative increase 
(%)

CF/EP0701 ± 4857.1 ± 1.3
CF/EP-silica10728 ± 543.962.9 ± 0.910.2
CF/EP-silica20818 ± 2416.770.8 ± 2.424.0
CF/EP-halloysite5728 ± 123.972.5 ± 2.227.0
CF/EP-halloysite10838 ± 2219.668.0 ± 1.919.1
CF/EP-rubber20554 ± 75−20.958.5 ± 1.02.6