3D printing of composite materials using ultralow-melt-viscosity polymer and continuous carbon fiber

被引:17
作者
Kuba, Daisuke [1 ]
Matsuzaki, Ryosuke [1 ]
Ochi, Shono [1 ]
Ogihara, Shinji [1 ]
机构
[1] Tokyo Univ Sci, Dept Mech Engn, 2641 Yamazaki, Noda, Chiba 2788510, Japan
来源
COMPOSITES PART C: OPEN ACCESS | 2022年 / 8卷
关键词
MECHANICAL-PROPERTIES; STRENGTH; SIZE;
D O I
10.1016/j.jcomc.2022.100250
中图分类号
TB33 [复合材料];
学科分类号
摘要
We propose a composite 3D printing method using an ultralow-melt-viscosity polymer to achieve a low void content and high strength compared to that achieved using conventional viscosity polymer. Using continuous carbon fibers as the core of the filament, ultralow-viscosity polymers, which could not be filamentized by polymer alone, could be used. In the present study, polyether ether ketone/carbon fiber (CF/PEEK) filament extrusion was performed and the effect of the melt viscosity on the voids in the filament was evaluated. The ultralow-viscosity polymer (CF/PEEK 90 G) reduced the voids in the filaments by 92% compared to the standard polymer (CF/PEEK 450 G). The interlaminar tensile strengths of 3D-printed CF/PEEK filaments fabricated with different melt viscosities of the PEEK polymer were also evaluated. The interlaminar tensile strengths of CF/PEEK 90 G was improved by 116.8% compared to that of CF/PEEK 450 G.
引用
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页数:8
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