Mechanical analysis of lightweight constructions manufactured with fused deposition modeling

Bagsik, A.; Josupeit, Stefan; Schöeppner, Volker; Klemp, E.

doi:10.1063/1.4873874

Cited by 20 publications

(22 citation statements)

References 7 publications

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“…In regards to the optimization of the process parameters, Ahn et al achieved the tensile strength at 19 MPa for acrylonitrile butadiene styrene (ABS) by the negative air gap of 0.003 in. Bagsik et al succeeded in printing polyetherimide (PEI) by optimizing the FDM parameters and printing in a chamber with a temperature higher than 180°C; the PEI tensile strength and modulus were 63.25 MPa and 2.033 GPa, respectively. Espalin et al investigated the feasibility of manufacturing polymethyl methacrylate (PMMA) medical devices by FDM; the compressive strength and modulus of the specimens were 16 MPa and 0.37 GPa, respectively.…”

Section: Introductionmentioning

confidence: 99%

An Experimental Study of Nozzle Temperature and Heat Treatment (Annealing) Effects on Mechanical Properties of High‐Temperature Polylactic Acid in Fused Deposition Modeling

Akhoundi

Nabipour

Hajami

et al. 2020

Polymer Engineering & Sci

107

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Fused deposition modeling (FDM) is the trendiest threedimensional (3D) printing method among additive manufacturing technologies. In this process, the final parts are constructed through layer-by-layer adhesion of thermoplastic polymers. Amorphous thermoplastic polymers have better printability compared to semicrystalline ones; so, they are most popular with FDM users. Generally, the overall mechanical properties of FDM 3D printed parts are weaker in comparison to the traditional methods (such as injection molding) due to the weak bonds between the deposited rasters and layers. Therefore, the introduction of new materials with higher mechanical properties and easy printing process of the semicrystalline polymers has always been challenging to progress the mechanical properties of the products. In this study by the FDM process, the effect of nozzle temperature and heat treatment (annealing) on the mechanical properties of high-temperature polylactic acids is investigated. The increase in the nozzle temperature develops the rasters and layers bonding, and the heat treatment of the parts after printing rises the crystallinity percentage, which is crucial for the improvement of mechanical properties. Experimental results show that an increase in the nozzle temperature raises the tensile strength and modulus to 65.7 MPa and 4.97 GPa, respectively. Furthermore, the heat treatment process increases the tensile strength and modulus up to 67.4 MPa and 5.65 GPa. The final tensile modulus values are the highest ones reported for pure materials printed by the FDM process. POLYM. ENG. SCI., 60:979-987, 2020.

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Section: Introductionmentioning

confidence: 99%

An Experimental Study of Nozzle Temperature and Heat Treatment (Annealing) Effects on Mechanical Properties of High‐Temperature Polylactic Acid in Fused Deposition Modeling

Akhoundi

Nabipour

Hajami

et al. 2020

Polymer Engineering & Sci

107

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show abstract

“…They observed that parts constructed with a 0 raster angle in the flat horizontal orientation showed the best tensile properties. Bagsik et al 3 studied the effect of different raster angle, bead-to-bead air gap, perimeter-to-bead air gap and build direction on the tensile strength. Garg et al 4 investigated the effect of part building orientation and raster angle on the tensile strength of ABS test specimens fabricated by the FDM process.…”

Section: Introductionmentioning

confidence: 99%

Effect of infill pattern and infill density at varying part orientation on tensile properties of fused deposition modeling-printed poly-lactic acid part

Dave

Patadiya

Prajapati

et al. 2019

Proceedings of the Institution of Mechanical Engineers, Part C:

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Fused deposition modeling is an additive manufacturing process in which successive layers of material are deposited to create a three-dimensional object. It is the most widely used additive manufacturing process because of its ability to make specimen having difficult geometrical shape. However, building end-user functional parts using fused deposition modeling proved to be a challenging task because of a wide variety of processing parameters. In the present paper, a detailed experimental study on open source 3D printer is reported to explore the effect of various fused deposition modeling process parameters viz. part orientation, infill density and infill pattern on tensile properties and modes of failure. Poly-lactic acid filament is used to make 3D specimens. The experimental values of tensile properties are measured and critically analysed. Failure modes under various tests are studied using scanning electron microscopy. Tensile test results indicate that part orientation, infill pattern and infill density significantly affect the tensile strength. It has been observed that parts printed with flat part orientation and concentric pattern exhibit maximum tensile strength. While tensile strength has been increasing with increment in infill density. From the SEM images, it has been found that one of the major causes of failure is weak strength within and between layers for the lower value of infill density.

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“…81 Different studies have been done by consideration of the effect of process parameters mostly on the mechanical performance and surface roughness of the final parts. 82,84,85 Bagsik et al 89 investigated the effect of build direction and they found higher tensile strength for the edge build direction.…”

Section: Printing Parameters Of Fff Processmentioning

confidence: 99%

An overview on the influence of process parameters through the characteristic of 3D-printed PEEK and PEI parts

Magri

Vanaei

Vaudreuil

2021

High Performance Polymers

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Fused Filament Fabrication (FFF) technology is increasingly applied in automotive, aerospace and medical applications. FFF is one of the most widely used additive manufacturing techniques to manufacture thermoplastics or their composites. FFF enables improvement in both cycle time and total cost of product development. Such improvements are achieved through the quick manufacture of functional prototypes enable real-world product development and testing. While the benefits of FFF are undeniable, its use in demanding applications is hindered by materials properties. The used commodity and standard polymers actually exhibit low to medium thermal and mechanical properties. To overcome this limitation, the aerospace industry looks for high-performance thermoplastics to obtain plastic parts strong enough to be used as a replacement for metal. Recent developments in FFF equipment now enable engineering polymers, such as Polyether ether ketone (PEEK) and Polyether imide (PEI), to be utilized for parts with increased mechanical and thermal properties. Thus, this article reviews and discusses the properties and the printing parameters of PEEK and PEI produced by FFF.

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Mechanical analysis of lightweight constructions manufactured with fused deposition modeling

Cited by 20 publications

References 7 publications

An Experimental Study of Nozzle Temperature and Heat Treatment (Annealing) Effects on Mechanical Properties of High‐Temperature Polylactic Acid in Fused Deposition Modeling

An Experimental Study of Nozzle Temperature and Heat Treatment (Annealing) Effects on Mechanical Properties of High‐Temperature Polylactic Acid in Fused Deposition Modeling

Effect of infill pattern and infill density at varying part orientation on tensile properties of fused deposition modeling-printed poly-lactic acid part

An overview on the influence of process parameters through the characteristic of 3D-printed PEEK and PEI parts

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