Additive manufacturing of PEEK-based continuous fiber reinforced thermoplastic composites with high mechanical properties

被引:36
作者
Vatandas, Bahri Baris [1 ]
Usun, Altug [1 ]
Yildiz, Nuri [1 ]
Simsek, Cemaleddin [2 ]
Cora, Omer Necati [1 ]
Aslan, Mustafa [3 ]
Gumruk, Recep [1 ]
机构
[1] Karadeniz Tech Univ, Dept Mech Engn, Trabzon, Turkiye
[2] Karamanoglu Mehmetbey Univ, Elect Elect Engn, Karaman, Turkiye
[3] Karadeniz Tech Univ, Fac Engn, Dept Met & Mat Engn, Trabzon, Turkiye
关键词
Continuous fiber-reinforced thermoplastic composites (CFRTP); A-Polymer-matrix composites (PMCs); B-Mechanical Properties; E-3-D Printing; CONTINUOUS CARBON-FIBER; PRINTED CONTINUOUS CARBON; STRENGTH; GLASS; IMPREGNATION; PERFORMANCE; FABRICATION; MODE; BOND;
D O I
10.1016/j.compositesa.2023.107434
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Continuous fiber-reinforced thermoplastic (CFRTP) printing is a promising method to increase the mechanical properties of FDM printed parts. In this study, it was aimed to achieve high mechanical properties using PEEK as a matrix and carbon fiber as support material. For this purpose, a novel production line was used to achieve CFRTP filaments with adjustable fiber volume fractions, and samples were additively manufactured. Further-more, an infrared heater was utilized to improve the interlaminar bonding of the printed samples. Although not affecting the tensile properties, usage of an infrared heater yielded a significant improvement in three-point bending tests due to shear forces. Furthermore, increasing the fiber volume fraction excessively showed a decrease in the flexural strength of the printed parts because of the insufficient wetting of the fibers and po-rosities occurring during the printing process. Lastly, failure surfaces of the printed parts and printed part cross-sections were examined.
引用
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页数:13
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