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基于增材制造的连续碳纤维增强聚碳酸酯原位固结

Additive Manufacturing-Based In Situ Consolidation of Continuous Carbon Fibre-Reinforced Polycarbonate.

作者信息

Borowski Andreas, Vogel Christian, Behnisch Thomas, Geske Vinzenz, Gude Maik, Modler Niels

机构信息

Institute of Lightweight Engineering and Polymer Technology, University of Dresden, Holbeinstraße 3, 01307 Dresden, Germany.

出版信息

Materials (Basel). 2021 May 9;14(9):2450. doi: 10.3390/ma14092450.

DOI:10.3390/ma14092450
PMID:34065095
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC8125998/
Abstract

Continuous carbon fibre-reinforced thermoplastic composites have convincing anisotropic properties, which can be used to strengthen structural components in a local, variable and efficient way. In this study, an additive manufacturing (AM) process is introduced to fabricate in situ consolidated continuous fibre-reinforced polycarbonate. Specimens with three different nozzle temperatures were in situ consolidated and tested in a three-point bending test. Computed tomography (CT) is used for a detailed analysis of the local material structure and resulting material porosity, thus the results can be put into context with process parameters. In addition, a highly curved test structure was fabricated that demonstrates the limits of the process and dependent fibre strand folding behaviours. These experimental investigations present the potential and the challenges of additive manufacturing-based in situ consolidated continuous fibre-reinforced polycarbonate.

摘要

连续碳纤维增强热塑性复合材料具有令人信服的各向异性性能，可用于以局部、可变且高效的方式增强结构部件。在本研究中，引入了一种增材制造（AM）工艺来制造原位固结的连续纤维增强聚碳酸酯。对具有三种不同喷嘴温度的试样进行了原位固结，并在三点弯曲试验中进行了测试。使用计算机断层扫描（CT）对局部材料结构和由此产生的材料孔隙率进行详细分析，从而可将结果与工艺参数联系起来。此外，制造了一个高度弯曲的测试结构，展示了该工艺的局限性以及相关的纤维束折叠行为。这些实验研究揭示了基于增材制造的原位固结连续纤维增强聚碳酸酯的潜力和挑战。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/56fd/8125998/528402f56d0f/materials-14-02450-g012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/56fd/8125998/63076be1acde/materials-14-02450-g001.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/56fd/8125998/1eb60cc2d044/materials-14-02450-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/56fd/8125998/bf071d3aa36a/materials-14-02450-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/56fd/8125998/b1389da53469/materials-14-02450-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/56fd/8125998/b6e1f4a79529/materials-14-02450-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/56fd/8125998/62d9f15e5c14/materials-14-02450-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/56fd/8125998/a7e92d4af249/materials-14-02450-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/56fd/8125998/b94f9fc9ba48/materials-14-02450-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/56fd/8125998/05e710788b85/materials-14-02450-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/56fd/8125998/528402f56d0f/materials-14-02450-g012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/56fd/8125998/63076be1acde/materials-14-02450-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/56fd/8125998/acb1d4a0b042/materials-14-02450-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/56fd/8125998/b1d6d7719ba0/materials-14-02450-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/56fd/8125998/1eb60cc2d044/materials-14-02450-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/56fd/8125998/bf071d3aa36a/materials-14-02450-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/56fd/8125998/b1389da53469/materials-14-02450-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/56fd/8125998/b6e1f4a79529/materials-14-02450-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/56fd/8125998/62d9f15e5c14/materials-14-02450-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/56fd/8125998/a7e92d4af249/materials-14-02450-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/56fd/8125998/b94f9fc9ba48/materials-14-02450-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/56fd/8125998/05e710788b85/materials-14-02450-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/56fd/8125998/528402f56d0f/materials-14-02450-g012.jpg

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