ISSN:
1662-9752
Source:
Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
Topics:
Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
Notes:
In our work we have prepared carbon fiber/epoxy composite and carbon fiber/carbonnanotube/epoxy hybrid nanocomposite laminates by hand laminating assisted by vacuumbagtechnology. During the production of the specimens we have encountered the viscosity increasingeffect of nanotube filling, which we characterized by a viscosity test. The results of the test showed,that in the lowest shear rate range carbon nanotube filling can cause an increase of viscosity bythree orders of magnitude, but also at higher shear rates the viscosity of the nanotube filled epoxyresin was ten times the viscosity of the unfilled resin. Mechanical properties of the composite andhybrid composite have been compared by tensile, bending and interlaminar shear tests. During thetensile tests AE signals have also been recorded. The fracture surfaces have been examined by SEMmicrographs. The nanotube filling has decreased the tensile strength and the modulus of elasticityby 7-8 percent presumably indirectly, the bending properties didn’t change noticeably, but theinterlaminar shear strength of the composite has increased by 15 percent thanks to nanotube fillingof the matrix. The decrease of the delamination inclination of the hybrid composite has beenaffirmed both by the AE and SEM results
Type of Medium:
Electronic Resource
URL:
http://www.tib-hannover.de/fulltexts/2011/0528/02/19/transtech_doi~10.4028%252Fwww.scientific.net%252FMSF.589.269.pdf
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