Surface Mechanical Characterization of Carbon Nanofiber Reinforced Low-Density Polyethylene by Nanoindentation and Comparison with Bulk Properties
Abstract
:1. Introduction
2. Materials and Methods
2.1. Materials
2.2. Fabrication of the Nanocomposite
2.3. Scanning Electron Microscopy
2.4. Nanoindentation Studies
2.5. Surface Preparation
3. Results and Discussion
3.1. Surface Morphology
3.2. Nano-Mechanical Properties
3.3. Local Mapping of Mechanical Properties
3.4. Comparative Analysis between Nanoindentation, Tensile Test and Halpin-Tsai Results
4. Conclusions
Supplementary Materials
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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Method A | Method B | Method C | |
---|---|---|---|
Image Z range | 608.4 nm | 464.2 nm | 125.7 nm |
Image Rms | 65.7 nm | 38.7 nm | 18.72 nm |
Image mean roughness () | 50.0 nm | 28.0 nm | 15.0 nm |
Paper | Speed (rpm) | Time (minutes) | Lubricant |
---|---|---|---|
Method A | |||
SiC–P200 | 180 | 5 | Water |
SiC–P400 | 180 | 8 | Water |
SiC–P800 | 180 | 8 | Water |
SiC–P1200 | 180 | 10 | Water |
SiC–P2500 | 180 | 10 | Water |
Method B | |||
SiC–P400 | 180 | 5 | Water |
SiC–P600 | 180 | 8 | Water |
SiC–P1200 | 180 | 8 | Water |
SiC–P2500 | 180 | 8 | Water |
Microcloth | 160 | 8 | Diamond suspension 1 μm size |
Microcloth | 160 | 8 | Alumina suspension 0.05 μm size |
Method C | |||
SiC–P400 | 150 | 5 | Water |
SiC–P800 | 150 | 8 | Water |
SiC–P1200 | 150 | 8 | Water |
SiC–P2500 | 180 | 8 | Water |
Microcloth | 180 | 12 | Diamond suspension 1 μm size |
Microcloth | 180 | 12 | Alumina suspension 0.3 μm size |
Microcloth | 180 | 12 | Alumina suspension 0.05 μm size |
CNF (wt. %) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
E | H | E | H | |||||||||
Av. | Std. | cov% | Av. | Std. | cov% | Av. | Std. | cov% | Av. | Std. | cov% | |
0 | 0.25 | 0.01 | 5.17 | 0.022 | 0.002 | 8.001 | 0.31 | 0.03 | 8.22 | 0.024 | 0.001 | 2.387 |
1 | 0.30 | 0.02 | 5.04 | 0.023 | 0.001 | 4.809 | 0.36 | 0.01 | 2.73 | 0.025 | 0.001 | 3.570 |
2 | 0.32 | 0.03 | 8.49 | 0.023 | 0.001 | 5.872 | 0.42 | 0.02 | 4.90 | 0.024 | 0.001 | 2.710 |
3 | 0.42 | 0.05 | 10.76 | 0.025 | 0.002 | 9.319 | 0.50 | 0.02 | 3.72 | 0.026 | 0.001 | 2.074 |
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Nikaeen, P.; Depan, D.; Khattab, A. Surface Mechanical Characterization of Carbon Nanofiber Reinforced Low-Density Polyethylene by Nanoindentation and Comparison with Bulk Properties. Nanomaterials 2019, 9, 1357. https://doi.org/10.3390/nano9101357
Nikaeen P, Depan D, Khattab A. Surface Mechanical Characterization of Carbon Nanofiber Reinforced Low-Density Polyethylene by Nanoindentation and Comparison with Bulk Properties. Nanomaterials. 2019; 9(10):1357. https://doi.org/10.3390/nano9101357
Chicago/Turabian StyleNikaeen, Peyman, Dilip Depan, and Ahmed Khattab. 2019. "Surface Mechanical Characterization of Carbon Nanofiber Reinforced Low-Density Polyethylene by Nanoindentation and Comparison with Bulk Properties" Nanomaterials 9, no. 10: 1357. https://doi.org/10.3390/nano9101357