Effect of fused deposition modelling process parameters on mechanical properties of 3D printed parts

Chadha, A.; Haq, Mir Irfan Ul; Raina, Ankush; Singh, Rana Ratna; Penumarti, Narendra Babu; Bishnoi, Manjeet Singh

doi:10.1108/wje-09-2018-0329

Cited by 131 publications

(62 citation statements)

References 34 publications

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“…Similar results were reported by Chadha, et al (2019) [ 69 ] who studied how grid, triangular and honeycomb infill patterns perform under the flexural and tensile loadings. It was found that the triangular pattern has the highest strength followed by the grid and finally by honeycomb patterns under both bending and tension.…”

Section: Influence Of Process Parameters On the Strength Of Fdm Partssupporting

confidence: 88%

“…Alayoldi, et al (2020) [68] investigated the effect of the infill pattern on the compressive strength of the part. It was found that triangular, grid and hexagonal infilled parts resulted in similar ultimate tensile strength (56)(57)(58)(59)(60)(61)(62)(63)(64)(65)(66)(67)(68)(69)(70)(71)(72), while the quarter cubic infill exhibited a significantly lower strength of 27 MPa. It was also found that the grid pattern had the highest tensile strength due to its special layer arrangement in which the infill layers are crisscrossed one above the other as shown in Figure 5.…”

Section: Effect Of Infill Patternsmentioning

confidence: 99%

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Optimisation of Strength Properties of FDM Printed Parts—A Critical Review

et al. 2021

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Additive Manufacturing is currently growing fast, especially fused deposition modeling (FDM), also known as fused filament fabrication (FFF). When manufacturing parts use FDM, there are two key parameters—strength of the part and dimensional accuracy—that need to be considered. Although FDM is a popular technology for fabricating prototypes with complex geometry and other part product with reduced cycle time, it is also limited by several drawbacks including inadequate mechanical properties and reduced dimensional accuracy. It is evident that part qualities are greatly influenced by the various process parameters, therefore an extensive review of the effects of the following process parameters was carried out: infill density, infill patterns, extrusion temperature, layer thickness, nozzle diameter, raster angle and build orientation on the mechanical properties. It was found from the literature that layer thickness is the most important factor among the studied ones. Although manipulation of process parameters makes significant differences in the quality and mechanical properties of the printed part, the ideal combination of parameters is challenging to achieve. Hence, this study also includes the influence of pre-processing of the printed part to improve the part strength and new research trends such as, vacuum-assisted FDM that has shown to improve the quality of the printing due to improved bonding between the layers. Advances in materials and technologies that are currently under development are presented. For example, the pre-deposition heating method, using an IR lamp of other technologies, shows a positive impact on the mechanical properties of the printed parts.

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Section: Influence Of Process Parameters On the Strength Of Fdm Partssupporting

confidence: 88%

Section: Effect Of Infill Patternsmentioning

confidence: 99%

Optimisation of Strength Properties of FDM Printed Parts—A Critical Review

et al. 2021

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“…AM provides extensive advantages of manufacturing complex geometries, improved performance, lesser wastage of raw materials and simplified fabrication process. [17][18][19] The research is continuously carried out on employing stem cell-based therapies to reduce the diseases. AM aims to replace and generate organs and tissues with the help of mainly 3D printing technology sets as per customer requirement.…”

Section: Additive Manufacturing (Am)mentioning

confidence: 99%

3D printing applications towards the required challenge of stem cells printing

Javaid

Haleem

2020

Clinical Epidemiology and Global Health

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Background: Additive Manufacturing (AM) technologies are innovative and are being applied successfully in the medical field as they provide the extensive capability of customisation. Here in this study, we have identified research papers on AM applications, specifically 3D printing in stem cells. Aim of work:This study provides information to health professionals and helps them to solve different medical challenges in an effective manner which is not possible with the traditional method of stem cells fabrication. Materials and methods: Undertook the study through good research papers published on Stem cells on the applications of 3D printing which are also helpful to sort out different medical problems and their solution. Result: This paper studies 3D printing technology in the context of stem cells fabrications, brief about the stem cells, its functions and its superior capabilities in the medical field. Paper identified thirteen significant stem cells applications achievable through the practical applications of 3D printing. Finally, the paper provides a brief discussion on the future potential of this technology for the printing of stem cells. Conclusions: 3D printed stem cells seem to have extensive applications in regenerative medicine for the treatment of various diseases. These cells help seed decellularisation of complete organs for regenerative medicine. This technology also applies to the reconstruction of heart valves and has excellent potential in valvular disease. These cells have higher capabilities to fulfil different medical requirements, but it is challenging to steer its growth as per the need of human kind. Scientists created 3D printed stem cells structure which can grow, and they have performed tissue regeneration experiments on them. Traditionally researchers produce 2D sheets of cells. Now, this technology introduces the fabrications in 3D with stem cells which can also be developed in the human body. 3D printing approach creates uniform building blocks of stem cells with precise and controlled growth and seems helpful to the human body for consistent tissue growth. Nevertheless, this is just a starting, and there is a long way to go for commercial printing of human body parts.

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“…It has reported that FFF being performed above the glass transition temperature results in increased adhesion force between the layers; it increases the tendency for better sticking [32]. Also, increasing the bed temperature to a certain limit increases the tensile and flexural strength but started to decrease after crossing this limit due to excessive heat [33]. Table 1 shows the design of the experiment as per the Taguchi L9 orthogonal array.…”

Section: Fff Processmentioning

confidence: 99%

Hybrid fused filament fabrication for manufacturing of Al microfilm reinforced PLA structures

Kumar

Chohan

Yadav

et al. 2020

J Braz. Soc. Mech. Sci. Eng.

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The quality of 3D printed thermoplastic structures mainly depends upon the various aspects of deposition pattern, processing conditions, and layer bonding. The incomplete layer-to-layer adhesion during the additive manufacturing process is the most critical issue since thermoplastics are bad heat conductors. In this study, aluminum (Al) microfilms have been deposited to promote the adhesion between the additive layers. The composite structures (as per ASTM D 695) of polylactic acid thermoplastic were manufactured by fused filament fabrication (FFF) process and consecutively reinforced with Al spray. The composite structures were subjected to compressive loading to investigate the influence of input process variables like; in-between microfilm layers (1-5 layers), bed temperature (60-100 °C), and infill percentage (40-100%). The results of the study suggested that using microfilm in-between additive layers is a promising technique for improving the compressive properties. The compressive strength has been observed maximum by performing FFF with 3 layers of Al microfilm, 70% of infill percentage, and 100 °C bed temperature. The results are supported by scanning electron microscopy, energydispersive spectroscopy, and differential scanning calorimeter analysis. An optimization study was successfully conducted using the analytic hierarchy process, which predicted the optimum parameter settings based on the relative importance of each response variable.

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Effect of fused deposition modelling process parameters on mechanical properties of 3D printed parts

Cited by 131 publications

References 34 publications

Optimisation of Strength Properties of FDM Printed Parts—A Critical Review

Optimisation of Strength Properties of FDM Printed Parts—A Critical Review

3D printing applications towards the required challenge of stem cells printing

Hybrid fused filament fabrication for manufacturing of Al microfilm reinforced PLA structures

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