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Additive manufacturing of CNTs/PLA composites and the correlation between microstructure and functional properties
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Xing Zhou, Jingrui Deng, Changqing Fang, Wanqing Lei, Yonghua Song, Zisen Zhang, Zhigang Huang, Yan Li
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Table 2 Summary of DSC heating curves of PLA and CNTs/PLA composites before and after 3D printing.
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| Samples | Heating process | | aTg (°C) | bTc (°C) | cΔHc (J/g) | Tm (°C) | dΔHm (J/g) | Xc (%) | | T1 | T2 | T3 | T4 | ΔCp (J g-1 K-1) | Tc1 | Tc2 | | | | | | PLA | 67.5 | 69.1 | 70.7 | 70.9 | 0.308 | / | / | / | 171.5 | 34.4 | / | | CNTs/PLA-1 | 58.8 | 59.7 | 60.4 | 60.5 | 0.912 | 89.8 | 119.2 | 40.79 | 171.0 | 38.27 | 2.7 | | CNTs/PLA-2 | 55.7 | 58.1 | 58.4 | 60.2 | 0.572 | 107.4 | 126.7 | 23.31 | 144.3 | 21.8 | 1.6 | | CNTs/PLA-3 | 56.7 | 59.7 | 60.0 | 62.0 | 0.564 | 101.9 | 115.3 | 37.68 | 159.9 | 34.35 | 3.7 |
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