Influence of slicing parameters on surface quality and mechanical properties of 3D-printed CF/PLA composites fabricated by FDM technique

Babu, N. Vinoth; Venkateshwaran, N.; Rajini, N.; Ismail, Sikiru Oluwarotimi; Mohammad, Faruq; Al‐Lohedan, Hamad A.; Siengchin, Suchart

doi:10.1080/10667857.2021.1915056

Cited by 48 publications

(22 citation statements)

References 32 publications

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“…Unlike the tensile results (see Figure 7), for the samples containing 1% FW, a notable performance improvement was recorded. Static bending tests indicated that failure in all composite systems tested, occurs due to the activation of compression failure mechanisms 45 on the upper surface of the specimen. This behavior, in the case of the 3D_1%FW specimens, helps to overcome the limits of the technology by compressing the presence of voids in the section.…”

Section: Resultsmentioning

confidence: 99%

Comparison of FDMed and compression molded biocomposites in polylactic acid and food flour waste

Papa,

Langella,

Napolitano

et al. 2023

Journal of Composite Materials

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Polylactic acid resins are some of the most largely used bioplastics, some characteristics still limit their use, such as in mixing with other polymers or inclusion of additives. Currently, additive manufacturing technologies are enlarging their application sectors because they allow more rational use of raw materials, limiting both production waste and onerous post-processing stages. In this framework, polylactic acid resins, particularly favoured by their slow crystallization rate and the large availability, are some of the most used to obtain commercial filaments for fused deposition modeling. This research is then focused on the processability of the compounds, based on a commercial PLA resin, additivated with 1, 3, and 5 wt% of food flour wastes. The comparison of the performance of the products obtained with conventional and innovative technologies, respectively compression molding and FDM, is the key point of this study. Mechanical and morphological properties, obtained by the two technologies, were evaluated for neat and additivated resins. Preliminary results emphasize that, through compression molded, it was possible to obtain homogeneous components and the natural infilled used acts as reinforcement improving mechanical performances. For the additive technology, the samples obtained show a lower mechanical behavior due to the technological issues of 3d printing.

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Section: Resultsmentioning

confidence: 99%

Comparison of FDMed and compression molded biocomposites in polylactic acid and food flour waste

Papa,

Langella,

Napolitano

et al. 2023

Journal of Composite Materials

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“…Figure 26b shows that the improved mechanical strength was achieved due to adhesion between the carbon fiber and ABS matrix and it shows that the pattern even after the fiber failure, the matrix takes up a load and undergoes larger elongation before complete failure. Figure 26c shows that the main reason for the failure is due to the improper fiber adhesion at the interface and resin breakage takes place [40][41][42][43][44].…”

Section: Fractography Analysis Of Fractured Specimens For Cf-absmentioning

confidence: 99%

Quasi Static and Dynamic Mechanical Analysis of 3D Printed ABS and Carbon Fiber Reinforced ABS Composites

Karupaiah¹,

Narayanan²,

Naresh³

2022

Mater. Plast.

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Fused Filament Fabrication (FFF) is the most popular and widely used additive manufacturing process for printing polymer and composite products. Various production factors influenced the strength and stiffness of the part manufactured by 3D printing. A comprehensive experimental analysis was conducted in this study to examine the effect of FFF process parameters (infill density, pattern, and layer thickness) on mechanical properties and failure mechanism. The tensile, flexural, and impact test specimens were printed using ABS and carbon fibre reinforced ABS filaments in accordance with ASTM standards. Furthermore, dynamic properties are studied using dynamic mechanical analysis to estimate the loss factor and glass transition temperature under the impact of temperature and frequency in addition to static properties. Further, the results showed the addition of carbon fiber in ABS increases the mechanical properties. The failure modes are studied using optical microscopy and Scanning Electron Microscopy images and it has been visualized that due to improper layer deposition, poor bonding between the previous layer and low infill density creates a void in the specimen which results in poor mechanical properties. The Dynamic Mechanical Analysis showed that at higher frequency the molecular movement decreases which in turn stabilizes the composite behavior and reduces the loss factor.

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“…[ 40 ] investigated the influence of raster angle on mechanical properties of thermoplastic parts under tensile loading and found that parts printed at 45° and 90° exhibit superior mechanical properties. Vinoth Babu et al [ 41 ] studied the impact of variation in slice thickness, infill percentage, and infill deposition strategy on the mechanical performance of thermoplastic composite components. They observed that interlayer bonding is improved at higher slice thickness.…”

Section: Introductionmentioning

confidence: 99%

Experimental investigation on mechanical properties of additively manufactured anti‐tetrachiral cellular auxetic structures under shear and flexural loading

Teraiya

Kumar

2022

Polymer Engineering & Sci

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The present paper describes an experimental study on mechanical properties of additively manufactured anti‐tetrachiral auxetic structures under shear and flexural loading. Specimens of ABS material are fabricated using material extrusion technique of additive manufacturing. Experiments are planned using central composite design method. Three process factors, namely, slice thickness, print speed, and contour width, are considered to study their influence on modulus, strength, and specific energy absorption (SEA) of fabricated structures. To perform shear testing on specimen, a novel fixture is designed and fabricated. Flexural properties are measured using three‐point bending test on universal testing machine. It is found that all three process factors significantly affect modulus, strength, and SEA of the structure under shear and flexural loading. Mechanical properties improve with increase in slice thickness, print speed, and contour width. Regression models are developed to predict the response characteristics. In addition, optimized values of process factors are determined to maximize the mechanical properties of the structure.

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Influence of slicing parameters on surface quality and mechanical properties of 3D-printed CF/PLA composites fabricated by FDM technique

Cited by 48 publications

References 32 publications

Comparison of FDMed and compression molded biocomposites in polylactic acid and food flour waste

Comparison of FDMed and compression molded biocomposites in polylactic acid and food flour waste

Quasi Static and Dynamic Mechanical Analysis of 3D Printed ABS and Carbon Fiber Reinforced ABS Composites

Experimental investigation on mechanical properties of additively manufactured anti‐tetrachiral cellular auxetic structures under shear and flexural loading

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