Improved thermal and mechanical properties of carbon fiber filled polyamide 46 composites
-
Yisha Yang
,
Gaojie Si
Abstract
The thermal and mechanical properties of polyamide 46 (PA46) filled with carbon fiber (CF/PA46) composites were studied. CF/PA46 was fabricated by the method of melt blending and injection molding. The results showed that thermal conductivity, tensile strength and impact strength of the composite increased with the increase of weight fraction of CF, however, the elongation at the break decreased as its weight fraction increased. The addition of CF had little effect on the melting temperature of composites, while the crystallization onset (To) and crystallization peak (Tp) temperatures of composites shifted to higher points. The scanning electron microscope images showed that when the weight fraction of CF was increased, the CF was more likely to form thermal chains and a network. When the CF weight fraction was 40%, thermal conductivity was 1.49 W/(m·K), approximately 5.54 times as high as that of the pure PA46, and the thermal diffusivity was 0.9755 mm2/s, 6.5 times higher than that of the pure matrix. Comparing the experimental data with the three expected thermal conduction models data, the Maxwell-Eucken thermal conduction model was considered more suitable for the PA46/CF composite, in which the weight fraction of the filler was <10% in the thermal conductive system.
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Articles in the same Issue
- Frontmatter
- Original articles
- A method to improve dimensional accuracy and mechanical properties of injection molded polypropylene parts
- Effect of banana fibers and plasticizer on melt processing of poly(vinyl alcohol)
- Improved thermal and mechanical properties of carbon fiber filled polyamide 46 composites
- Preparation and characterization of carbon fiber/polylactic acid/thermoplastic polyurethane (CF/PLA/TPU) composites prepared by a vane mixer
- Influence of micron size aluminum particles on the aging properties and wear resistance of epoxy resin coatings
- The effect of casting solution composition on surface structure and performance of poly(vinylidene fluoride)/multi-walled carbon nanotubes (PVDF/MWCNTs) hybrid membranes prepared via vapor induced phase separation
- Mechanical and thermal properties of PLA/halloysite bio-nanocomposite films: effect of halloysite nanoclay concentration and addition of glycerol
- Preparation and characterization of core-shell oil absorption materials stabilized by modified fumed silica
- Investigating the in-plane mechanical behavior of single-ply quasi-unidirectional glass fiber/polypropylene composites
- Characterization of layer built-up and inter-layer boundaries in rotational molding of multi-material parts in dependency of the filling strategy
- Experimental and numerical determination of compressive mechanical properties of multi-walled carbon nanotube reinforced polymer
Articles in the same Issue
- Frontmatter
- Original articles
- A method to improve dimensional accuracy and mechanical properties of injection molded polypropylene parts
- Effect of banana fibers and plasticizer on melt processing of poly(vinyl alcohol)
- Improved thermal and mechanical properties of carbon fiber filled polyamide 46 composites
- Preparation and characterization of carbon fiber/polylactic acid/thermoplastic polyurethane (CF/PLA/TPU) composites prepared by a vane mixer
- Influence of micron size aluminum particles on the aging properties and wear resistance of epoxy resin coatings
- The effect of casting solution composition on surface structure and performance of poly(vinylidene fluoride)/multi-walled carbon nanotubes (PVDF/MWCNTs) hybrid membranes prepared via vapor induced phase separation
- Mechanical and thermal properties of PLA/halloysite bio-nanocomposite films: effect of halloysite nanoclay concentration and addition of glycerol
- Preparation and characterization of core-shell oil absorption materials stabilized by modified fumed silica
- Investigating the in-plane mechanical behavior of single-ply quasi-unidirectional glass fiber/polypropylene composites
- Characterization of layer built-up and inter-layer boundaries in rotational molding of multi-material parts in dependency of the filling strategy
- Experimental and numerical determination of compressive mechanical properties of multi-walled carbon nanotube reinforced polymer
