The Effect of Carbon Nanotubes on the Mechanical Properties of Wood Plastic Composites by Selective Laser Sintering
"> Figure 1
<p>Optical images of the composite powder of wood flour, polyether sulfone (PES), and various amounts of carbon nanotubes (CNTs): (<b>a</b>) 0% CNT; (<b>b</b>) 0.05% CNT; (<b>c</b>) 0.1% CNT; and (<b>d</b>) 0.15% CNT.</p> "> Figure 2
<p>SEM image of the composite powder of wood flour, PES, and 0.1% CNTs.</p> "> Figure 3
<p>A photograph of the completed CNT/WPCs tensile test specimen (<b>a</b>) and the flexural test specimen by SLS (<b>b</b>).</p> "> Figure 4
<p>The effect of CNT content on the tensile strength of CNT/WPCs specimens by SLS.</p> "> Figure 5
<p>The effect of CNT content on the flexural strength and elasticity modulus of CNT/WPCs specimens by SLS.</p> "> Figure 6
<p>Lower magnification SEM images of fracture surface of specimens via SLS with CNT concentrations of (<b>a</b>) 0%; (<b>b</b>) 0.05%; (<b>c</b>) 0.1%; and (<b>d</b>) 0.15%.</p> "> Figure 7
<p>Higher magnification SEM images of fracture surfaces of specimens via SLS with CNT concentrations of (<b>a</b>,<b>b</b>) 0%; (<b>c</b>,<b>d</b>) 0.05%; (<b>e</b>,<b>f</b>) 0.1%; and (<b>g</b>,<b>h</b>) 0.15%.</p> "> Figure 7 Cont.
<p>Higher magnification SEM images of fracture surfaces of specimens via SLS with CNT concentrations of (<b>a</b>,<b>b</b>) 0%; (<b>c</b>,<b>d</b>) 0.05%; (<b>e</b>,<b>f</b>) 0.1%; and (<b>g</b>,<b>h</b>) 0.15%.</p> "> Figure 8
<p>DSC curves of wood/PES powder and CNT/wood/PES powder.</p> "> Figure 9
<p>The agglomeration of CNTs in the 0.15% CNT/WPCs part by SLS.</p> "> Figure 10
<p>Sintering mechanism model of the CNT/WPCs (<b>a</b>) before sintering and (<b>b</b>) after sintering.</p> ">
Abstract
:1. Introduction
2. Materials and Methods
2.1. Raw Materials Characterization and Mixing Procedure
2.2. Specimen Preparation and Mechanical Tests
3. Results and Discussion
3.1. Effect of CNT Content on the Mechanical Properties of CNT/WPCs Specimens via SLS
3.2. Analysis of Fracture Morphology of CNT/WPCs via SLS
3.3. Schematic of the Sintering Mechanism during Laser Sintering of CNT/WPCs
3.4. Cost Analysis of CNT/WPCs
4. Conclusions
Acknowledgments
Author Contributions
Conflicts of Interest
References
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Zhang, Y.; Fang, J.; Li, J.; Guo, Y.; Wang, Q. The Effect of Carbon Nanotubes on the Mechanical Properties of Wood Plastic Composites by Selective Laser Sintering. Polymers 2017, 9, 728. https://doi.org/10.3390/polym9120728
Zhang Y, Fang J, Li J, Guo Y, Wang Q. The Effect of Carbon Nanotubes on the Mechanical Properties of Wood Plastic Composites by Selective Laser Sintering. Polymers. 2017; 9(12):728. https://doi.org/10.3390/polym9120728
Chicago/Turabian StyleZhang, Yunhe, Jing Fang, Jian Li, Yanling Guo, and Qingwen Wang. 2017. "The Effect of Carbon Nanotubes on the Mechanical Properties of Wood Plastic Composites by Selective Laser Sintering" Polymers 9, no. 12: 728. https://doi.org/10.3390/polym9120728