Manufacturing and 3D printing of continuous carbon fiber prepreg filament

Hu, Qingxi; Duan, Yongchao; Zhang, Haiguang; Liu, Dali; Yan, Biao; Peng, Fujun

doi:10.1007/s10853-017-1624-2

Cited by 165 publications

(114 citation statements)

References 26 publications

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“…Fused Filament Fabrication (FFF) is the most widespread 3D-printing technology due to the simplicity of the process, the low cost of the printers and the ability to combine different materials [4]. The FFF printing of continuous fibre-reinforced thermoplastics is based on two different systems for the impregnation of the fibre in the matrix [5]: the use of a pre-impregnated filament and the impregnation inside the extrusion head of the printer. The second system does not require a pre-extrusion process of the material, and is therefore more economical.…”

Section: Introductionmentioning

confidence: 99%

Ply and interlaminar behaviours of 3D printed continuous carbon fibre-reinforced thermoplastic laminates; effects of processing conditions and microstructure

Iragi

Pascual-González

Esnaola

et al. 2019

Additive Manufacturing

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Taking advantage of an extended design and manufacturing space for composites, the technology of Fused Filament Fabrication (FFF) of continuous fibre-reinforced thermoplastics shows great potential for the production of the next generation of lightweight structural parts. This novel process is very much under development, and knowledge of the mechanical behaviour of the resulting 3D-printed materials is still limited. In this work, the intra-and inter-laminar behaviours of carbon fibre/polyamide printed laminates were extensively characterised to determine ply elastic and strength properties, as well as interface strength and fracture characteristics. Moreover, the effects of eventual production defects on these properties were analysed, putting in evidence some of the present shortcomings of the FFF process. Such defects include non-homogeneous fibre distribution, large amounts of intra-and interlaminar voids, and weak interlayer bonding, which are likely to be due to insufficient thermo-mechanical consolidation of the material during the FFF process, and have significant influence on the matrix-dominated mechanical properties. As a result, the transverse and interlaminar properties were found to be lower than those obtained through Hot Compression Moulding of an equivalent material. Besides highlighting possible process improvements, the mechanical characterisation carried out in this work promises a significant

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Section: Introductionmentioning

confidence: 99%

Ply and interlaminar behaviours of 3D printed continuous carbon fibre-reinforced thermoplastic laminates; effects of processing conditions and microstructure

Iragi

Pascual-González

Esnaola

et al. 2019

Additive Manufacturing

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“…Jahangir et al studied the reinforcement of material extrusion 3D printed polycarbonate using continuous carbon fiber [31]. Hu et al analyzed the effect on the performance of the model caused by printing time, printing speed, and layer thickness based on this method [25]. The results indicated that the flexural strength and flexural modulus of printed composites significantly improved with the proposed method with specified printing parameters.…”

Section: Overview Of Studies On Printing Of Reinforced Filamentsmentioning

confidence: 99%

Performance of 3D-Printed Continuous-Carbon-Fiber-Reinforced Plastics with Pressure

et al. 2020

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Fused Deposition Modeling (FDM) has been investigated as a low-cost manufacturing method for fiber-reinforced composites. The traditional and mature technology for manufacturing continuous-carbon-fiber-reinforced plastics is Automated Fiber Placement (AFP), which uses a consolidation roller and an autoclave process to improve the quality of parts. Compared to AFP, FDM is simple in design and operation but lacks the ability to pressurize and heat the model. In this work, a novel method for printing continuous carbon-fiber-reinforced plastics with a pressure roller was investigated. First, the path processing of the pressure roller was researched, which will reduce the number of rotations of the pressure roller and increase the service life of the equipment and the efficiency of printing. Thereafter, three specimens were printed under different pressures and the tensile and bending strength of specimens were tested. The tensile strength and bending strength of specimens were enhanced to 644.8 MPa and 401.24 MPa by increasing the pressure, compared to the tensile strength and bending strength of specimens without pressure of 109.9 MPa and 163.13 MPa. However, excessive pressure will destroy the path of the continuous carbon fiber (CCF) and the surface quality of the model, and may even lead to printing failure.

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“…Recently, continuous fiber AM gained more attention due to the improved stiffness that can be achieved [9], [10]. Modified and commercial printers were used to investigate the mechanical properties of continuous fiber polymer composites (CFPCs) structures printed with reinforcement materials such as carbon, Kevlar® and glass fibers [11]- [13]. Presently, the thermal properties of CFPCs have not been studied despite the advantages that can be offered.…”

Section: Background and Literaturementioning

confidence: 99%

Continuous Fiber Polymer Composites for Thermal Applications

El-Sayed¹,

Elkholy²,

Melenka³

et al. 2018

Progress in Canadian Mechanical Engineering

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This paper presents an analytical investigation into the effective thermal conductivity of 3D printed continuous fibre polymer composites (CFPCs) using rule of mixture micro-structural analysis. Two fused deposition modelling techniques were utilized using a off-the-shelf printer and a low-cost modified printer. Results demonstrate significant improvement in the effective thermal conductivity of the composite compared to the base polymer. One samples was experimentally tested to examine the veracity of the model predictions.

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Manufacturing and 3D printing of continuous carbon fiber prepreg filament

Cited by 165 publications

References 26 publications

Ply and interlaminar behaviours of 3D printed continuous carbon fibre-reinforced thermoplastic laminates; effects of processing conditions and microstructure

Ply and interlaminar behaviours of 3D printed continuous carbon fibre-reinforced thermoplastic laminates; effects of processing conditions and microstructure

Performance of 3D-Printed Continuous-Carbon-Fiber-Reinforced Plastics with Pressure

Continuous Fiber Polymer Composites for Thermal Applications

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