On the printability and inter-layer adhesion in 3D printing of continuous carbon fibre reinforced PEEK composite using tape and filament

被引:2
作者
Qayyum, Junaid Ahmad [1 ]
Li, Aonan [1 ]
Wu, Jiang [1 ]
Lyu, Yahui [1 ]
Koutsos, Vasileios [1 ]
Zhang, Haoqi [2 ]
Radacsi, Norbert [1 ]
Yang, Dongmin [1 ]
机构
[1] Univ Edinburgh, Inst Mat & Proc, Sch Engn, Edinburgh EH9 3FB, Scotland
[2] Sun Yat Sen Univ, Sch Adv Mfg, Shenzhen, Peoples R China
关键词
Continuous carbon fibre; Poly ether-ether ketone; Pultrusion; 3D printing; Inter-layer adhesion; TRIBOLOGICAL PROPERTIES; MECHANICAL-PROPERTIES; PLACEMENT; DAMAGE;
D O I
10.1016/j.compositesa.2024.108654
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
This study, for the first time, investigates using a 3D printing nozzle instead of a compression roller to print sliced width of continuous carbon fibre-reinforced PEEK composite tape. Pultrusion of sliced tape was performed to further enhance the printability and inter-layer adhesion of curved raster, highlighting the significance of this approach towards 3D printing of complex parts. Peel and shear delamination tests of curved and straight rasters, printed using tape and filament was performed. The delamination tests were conducted at room temperature, 150 degrees C and 300 degrees C to elaborate the influence of 3D printing feedstock geometry on the printed part performance. It was found that pultruded filaments can delaminate at up to 40 % higher force as compared to tape for curved paths and vice-versa, as delamination strength corresponds to fibre alignment in the rasters. This study proves the applicability of using ATP graded small tapes (with a width of 1 mm) for 3D printing, and instead of introducing expensive additives to the composites, the feedstock geometry could significantly impact the interlayer adhesion and facilitate complex part manufacturing.
引用
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页数:10
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