3D printing of composite sandwich structures using continuous carbon fiber and fiber tension

Sugiyama, Kentaro; Matsuzaki, Ryosuke; Ueda, Masahiro; Todoroki, Akira; Hirano, Yoshiyasu

doi:10.1016/j.compositesa.2018.07.029

Cited by 202 publications

(80 citation statements)

References 31 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…These were reported to exhibit superior compression strengths and lower core densities to those of aluminum corrugated structures. Similarly, Sugiyama et al printed sandwich structures from carbon fibre; however, these were printed in the XY plane utilising fibre tension to print over the gaps in the core structure [ 64 ]. Utilising the continuous fibre filament under tension to form a bridge allows for printing with very little support material.…”

Section: 3d Printing Of Continuous Fibre-reinforced Compositementioning

confidence: 99%

3D Printing of Fibre-Reinforced Thermoplastic Composites Using Fused Filament Fabrication—A Review

2020

View full text Add to dashboard Cite

Three-dimensional (3D) printing has been successfully applied for the fabrication of polymer components ranging from prototypes to final products. An issue, however, is that the resulting 3D printed parts exhibit inferior mechanical performance to parts fabricated using conventional polymer processing technologies, such as compression moulding. The addition of fibres and other materials into the polymer matrix to form a composite can yield a significant enhancement in the structural strength of printed polymer parts. This review focuses on the enhanced mechanical performance obtained through the printing of fibre-reinforced polymer composites, using the fused filament fabrication (FFF) 3D printing technique. The uses of both short and continuous fibre-reinforced polymer composites are reviewed. Finally, examples of some applications of FFF printed polymer composites using robotic processes are highlighted.

show abstract

Section: 3d Printing Of Continuous Fibre-reinforced Compositementioning

confidence: 99%

3D Printing of Fibre-Reinforced Thermoplastic Composites Using Fused Filament Fabrication—A Review

2020

View full text Add to dashboard Cite

show abstract

“…Preliminary studies investigated the manufacture and testing of mechanical performance (bending and tensile) of honeycomb core sandwich structures [ 19 , 20 , 21 ], printed with different materials (PLA and ABS) and using different filling techniques. An initial investigation into the manufacture of continuous carbon fiber sandwich structures without the addition of supports has been carried out [ 22 ]. In this study, it was demonstrated that continuous carbon fiber 3D printers can be used to flexibly design core shapes that satisfy the desired strength and stiffness.…”

Section: Introductionmentioning

confidence: 99%

Mechanical Performances of Lightweight Sandwich Structures Produced by Material Extrusion-Based Additive Manufacturing

2020

View full text Add to dashboard Cite

Material Extrusion-Based Additive Manufacturing Process (ME-AMP) via Fused Filament Fabrication (FFF) offers a higher geometric flexibility than conventional technologies to fabricate thermoplastic lightweight sandwich structures. This study used polylactic acid/polyhydroxyalkanoate (PLA/PHA) biodegradable material and a 3D printer to manufacture lightweight sandwich structures with honeycomb, diamond-celled and corrugated core shapes as a single part. In this paper, compression, three-point bending and tensile tests were performed to evaluate the performance of lightweight sandwich structures with different core topologies. In addition, the main failure modes of the sandwich structures subjected to mechanical tests were evaluated. The main failure modes that were observed from mechanical tests of the sandwich structure were the following: face yielding, face wrinkling, core/skin debonding. Elasto-plastic finite element analysis allowed predicting the global behavior of the structure and stressing distribution in the elements of lightweight sandwich structures. The comparison between the results of bending experiments and finite element analyses indicated acceptable similarity in terms of failure behavior and force reactions. Finally, the three honeycomb, diamond-celled and corrugated core typologies were used in the leading edge of the wing and were impact tested and the results created favorable premises for using such structures on aircraft models and helicopter blade structures.

show abstract

“…This feature was developed in [21] where the investigated material was tougher in the extrusion direction than in the transverse direction. Another possibility was the carbon fiber reinforced polymer sandwich structures printed by means of the 3D technology [22] and embedding cores having different shapes such as honeycomb, rhombus, rectangle or circle ones. Three-point bending tests were performed to investigate how the maximum load and the flexural modulus increased when the core density also increased.…”

Section: Introductionmentioning

confidence: 99%

Tensile and Compressive Behavior in the Experimental Tests for PLA Specimens Produced via Fused Deposition Modelling Technique

Brischetto

Torre

2020

J. Compos. Sci.

View full text Add to dashboard Cite

In this paper, polymeric specimens are produced via the Fused Deposition Modelling (FDM) technique. Then, experimental tensile and compression tests are conducted to evaluate the main mechanical properties of elements made of PolyLacticAcid (PLA) material. A standardized characterization test method for FDM 3D printed polymers has not been developed yet. For this reason, the ASTM D695 (usually employed for polymers produced via classical methods) has been here employed for FDM 3D printed polymers after opportune modifications suggested by appropriate experimental checks. A statistical analysis is performed on the geometrical data of the specimens to evaluate the machine process employed for the 3D printing. A capability analysis is also conducted on the mechanical properties (obtained from the experimental tests) in order to calculate acceptable limits useful for possible structural analyses. The Young modulus, the proportional limit and the maximum strength here defined for PLA specimens allow to confirm the different behavior of FDM printed PLA material in tensile and compressive state. These differences and the calculated acceptable limits for the found mechanical properties must be considered when this technology will be employed for the design of small structural objects made of PLA, as in the present study, or ABS (Acrilonitrile Butadiene Stirene). From the statistical and capability analysis, the employed printing process appears as quite stable and replicable. These types of research together with other similar ones that will be conducted in the future will allow to use polymeric materials and the FDM technique to produce small structural elements and also to carry out the appropriate verifications.

show abstract

3D printing of composite sandwich structures using continuous carbon fiber and fiber tension

Cited by 202 publications

References 31 publications

3D Printing of Fibre-Reinforced Thermoplastic Composites Using Fused Filament Fabrication—A Review

3D Printing of Fibre-Reinforced Thermoplastic Composites Using Fused Filament Fabrication—A Review

Mechanical Performances of Lightweight Sandwich Structures Produced by Material Extrusion-Based Additive Manufacturing

Tensile and Compressive Behavior in the Experimental Tests for PLA Specimens Produced via Fused Deposition Modelling Technique

Contact Info

Product

Resources

About