Effect of manufacturing parameters on tensile properties of FDM printed specimens

Vălean, Cristina; Marșavina, Liviu; Marghitas, Mihai P.; Linul, Emanoil; Razavi, Javad; Berto, Filippo

doi:10.1016/j.prostr.2020.06.040

Cited by 99 publications

(35 citation statements)

References 19 publications

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“…Many studies investigate common print parameters such as print temperature, infill angle, infill density, bead width, and layer height, among others. [2][3][4][5][6][7][8][9][10] For example, variations of up to 50% in the mechanical strength of 3D-printed samples have been demonstrated when tuning the printing design process. [2] Additionally, Afrose et al reported a 20% increase in strength for unreinforced PLA by printing the infill at 0 compared to at 90 with respect to the loading direction.…”

Section: Introductionmentioning

confidence: 99%

Drivers of mechanical performance variance in 3D‐printed fused filament fabrication parts: An Onyx FR case study

Ma¹,

Faust²,

Roy-Mayhew³

2021

Polymer Composites

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Effects on mechanical properties of user-controlled and user-uncontrolled factors in a 3D printing system were investigated using a flame retardant carbon fiber reinforced nylon filament. Moisture and print orientation, both user controllable elements, dominated mechanical property variation. Dry samples exhibited tensile (flexural) strength 2.4 (2.1) times greater than that of wet samples, while ZX samples were measured to have about half the tensile strength of XY and XZ samples. User-uncontrolled factors including material to material variation and printer to printer variation were found to have minor impact (<5%) on part tensile strength. Reinforcing the part with 21 vol% continuous fiber lowers the moisture induced variance from 13% to 2% in addition to increasing the measured strength by about 10Â (to 451 MPa).

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Section: Introductionmentioning

confidence: 99%

Drivers of mechanical performance variance in 3D‐printed fused filament fabrication parts: An Onyx FR case study

Ma¹,

Faust²,

Roy-Mayhew³

2021

Polymer Composites

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“…The tensile properties of FDM 3D printed parts have been well studied [ 205 , 206 , 207 ]. Printing can be performed at various orientations as illustrated in Figure 8 and the mechanical properties, therefore, are influenced by the print orientations.…”

Section: Properties Of Printed Partsmentioning

confidence: 99%

3D/4D Printing of Polymers: Fused Deposition Modelling (FDM), Selective Laser Sintering (SLS), and Stereolithography (SLA)

et al. 2021

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Additive manufacturing (AM) or 3D printing is a digital manufacturing process and offers virtually limitless opportunities to develop structures/objects by tailoring material composition, processing conditions, and geometry technically at every point in an object. In this review, we present three different early adopted, however, widely used, polymer-based 3D printing processes; fused deposition modelling (FDM), selective laser sintering (SLS), and stereolithography (SLA) to create polymeric parts. The main aim of this review is to offer a comparative overview by correlating polymer material-process-properties for three different 3D printing techniques. Moreover, the advanced material-process requirements towards 4D printing via these print methods taking an example of magneto-active polymers is covered. Overall, this review highlights different aspects of these printing methods and serves as a guide to select a suitable print material and 3D print technique for the targeted polymeric material-based applications and also discusses the implementation practices towards 4D printing of polymer-based systems with a current state-of-the-art approach.

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“…The printing files were generated with the Ultimaker Cura v4.6.1 slicer software 2 and shared for production on the two different printers. The 0° infill orientation for the specimens printed horizontally and 90° for those printed vertically, with respect to the axis of the specimen, aims to investigate two extreme situations: in fact, the first represents the condition in which best results in terms of mechanical properties are generally obtained, 3–6 while the latter gives the worst values. It should be added that in the first case, the material is stressed along the deposition direction, while in the second case, it is the bond existing between the superimposed layers to be loaded.…”

Section: Specimens Productionmentioning

confidence: 99%

Mechanical properties comparison between new and recycled polyethylene terephthalate glycol obtained from fused deposition modelling waste

Bergonzi¹,

Vettori²

2021

Mat Design & Process Comms

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The recycling of materials and the efficient use of resources are nowadays fundamental in a circular economy perspective. This concept also applies to additive manufacturing (AM) where waste can be reused to produce new material. Using mostly thermoplastic polymers, fused deposition modeling (FDM) is an AM technique that allows to melt waste materials and, successively, using a suitable extruder, obtain new filament. In the process, polymers are subject to multiple re‐melting and polymer orientations by extrusion operations. The aim of this work is to evaluate the influence of the recycling process over polyethylene terephthalate glycol‐modified (PETG) mechanical properties by tensile testing of samples produced using pure and recycled material. Furthermore, filament itself has been tested to evaluate recycle process influence before FDM printing.

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Effect of manufacturing parameters on tensile properties of FDM printed specimens

Cited by 99 publications

References 19 publications

Drivers of mechanical performance variance in 3D‐printed fused filament fabrication parts: An Onyx FR case study

Drivers of mechanical performance variance in 3D‐printed fused filament fabrication parts: An Onyx FR case study

3D/4D Printing of Polymers: Fused Deposition Modelling (FDM), Selective Laser Sintering (SLS), and Stereolithography (SLA)

Mechanical properties comparison between new and recycled polyethylene terephthalate glycol obtained from fused deposition modelling waste

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