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Single wall nanotube and vapor grown carbon fiber reinforced polymers processed by extrusion freeform fabrication |
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| Authors: | M L Shofner F J Rodríguez-Macías R Vaidyanathan E V Barrera |
| Affiliation: | a Department of Mechanical Engineering and Materials Science, Rice University, Mail Stop 321 P.O. Box 1892, Houston, TX 77251-1892, USA b Department of Chemistry, Rice University, Mail Stop 60 P.O. Box 1892, Houston, TX 77251-1892, USA c Advanced Ceramics Research, 3292 E. Hemisphere Loop, Tucson, AZ 85706, USA |
| Abstract: | Single wall carbon nanotubes (SWNTs) and vapor grown carbon fibers (VGCFs) were compounded with poly(acrylonitrile-co-butadiene-co-styrene) (ABS) to create composite materials for use with Extrusion Freeform Fabrication (EFF). The composite materials possessed homogeneously dispersed fibers that were oriented with EFF processing. The VGCF and SWNT reinforced materials processed by EFF displayed improved tensile modulus compared to similarly processed ABS and composite material with isotropic fiber orientation, and the SWNT reinforced material displayed the highest properties, strength and modulus, of the materials studied. The materials containing oriented VGCFs and SWNTs showed modulus improvements of 44 and 93%, respectively. |
| Keywords: | A Polymer-matrix composites (PMCs) D Mechanical testing E Extrusion Carbon nanotube |
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