Surface Finish Effects Using Coating Method on 3D Printing (FDM) Parts

Haidiezul, A. H. M.; Aiman, A. F.; Bakar, B.H. Abu

doi:10.1088/1757-899x/318/1/012065

Cited by 27 publications

(16 citation statements)

References 4 publications

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“…This method was successful applied on surface modification of ABS reducing water absorption (from 1.6 to 0.4 % in weight) [23] and on the protection of a PLA hull with a polyurethane (PU) coating, reducing water absorption from 3.8 to 1.5% in weight [17]. Despite the significance of this topic, there is also a lack of studies evaluating the impact of surface treatments on mechanical properties of FDM parts made with PLA, with most works mainly focused on evaluating the staircase effect reduction [24][25][26][27]. The few reported works evaluating the impact of surface treatments on mechanical properties of PLA parts produced by FDM, are until now limited to blow cold vapor surface treatments [28].…”

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confidence: 99%

Effect of protective coatings on the water absorption and mechanical properties of 3D printed PLA

Vicente¹,

Fernandes²,

Deus³

et al. 2019

Frattura Ed Integrità Strutturale

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This work aims to study the influence of protective coatings on the water absorption and mechanical properties of 3D printed poly-lactic acid (PLA) parts. The PLA parts were fabricated with different levels of the 3D printing process parameters, aiming to define samples with distinct strength and ductility/toughness characteristics. Water absorption tests following the standard ASTM D570-98 were performed on uncoated and coated PLA specimens. The effectiveness of two protective coatings based on acrylic and polyurethane varnish on reducing water absorption was evaluated. Both protective coatings have shown being effective on preventing water absorption by the PLA, with polyurethane presenting the best performance reducing water absorption by 38%. Tensile tests were carried out to determine the ultimate tensile strength, elastic modulus, yield tensile strength, fracture strain and toughness of specimens, before and after the application of protective coatings. The polyurethane protective coating also benefits the tensile properties of PLA parts, increasing the strength and ductility/toughness characteristics of specimens up to 24%.

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mentioning

confidence: 99%

Effect of protective coatings on the water absorption and mechanical properties of 3D printed PLA

Vicente¹,

Fernandes²,

Deus³

et al. 2019

Frattura Ed Integrità Strutturale

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“…The effect can be limited before starting the printing process by using a dedicated numerical simulation software that predicts the quality of the print surface in a selected print orientation [41]. Additionally, if necessary, it may be reduced in postprocessing, e.g., by application of different coatings to the 3D printed parts [42]. To confirm the differences in surface quality in the three analyzed areas, roughness measurements were performed.…”

Section: Shape and Dimensional Analysis Of Prints As A Function Of Orientation In The Chambermentioning

confidence: 99%

Study on Geometry, Dimensional Accuracy and Structure of Parts Produced by Multi Jet Fusion

Adach¹,

Sokołowski

Piwowarczyk

et al. 2021

Materials

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Multi Jet Fusion (MJF) is one of the newest additive manufacturing technologies for polymer powders, introduced in recent years. This fully industrial technology is gaining big interest as it allows fast, layer-by-layer, printing process, short production cycle, and very high printing resolution. In this paper, twelve thin-walled, spherical PA12 prints were studied in terms of geometry, dimensional accuracy, and fracture surface characteristics. The various characteristic features for MJF prints were observed here for parts produced according to four various print orientations and having different thicknesses, i.e., 1, 2 or 3 mm. The study showed that MJF technology can print such difficult shapes. However, the set of parameters allowing producing parts with highest geometrical and dimensional accuracy causes at the same time some microstructural issues, like great interlayer porosity or high number of non-processed powder particles embedded in the print structure.

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“…The most important post-processing activity is the removal of supports and irregularities in the build. Layer lines are also generally present on FDM prints, making post processing an important step if a smooth surface is required [24].…”

Section: Procedures For 3d Printing By Fdmmentioning

confidence: 99%

Novel Approach to Manufacture an AUV Propeller by Additive Manufacturing and Error Analysis

et al. 2019

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Autonomous underwater vehicle (AUV) is an unmanned tether-free vehicle which is powered by battery or fuel cell. The weight of the AUV is a major issue to be decided when considering its performance. To manufacture a propeller that is lighter in weight and able to carry the pressure applied to the blades is an involving process. The present study investigates the performance of the propeller of an AUV, manufactured by additive manufacturing, using ABS plastic material. The propeller blade designed in SolidWorks was transferred to the CUBPRO (DUO), followed by setting the parameters for a 3D printing machine. A comparative study was carried out for ABS (Acrylonitrile Butadiene Styrene) material between the required dimensions and a 3D printed model dimension propeller blade. An error analysis was carried out and we observed that ABS material is the most suitable for an AUV propeller. A stress-strain analysis for the propeller was carried out using the Finite Element Method.

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Surface Finish Effects Using Coating Method on 3D Printing (FDM) Parts

Cited by 27 publications

References 4 publications

Effect of protective coatings on the water absorption and mechanical properties of 3D printed PLA

Effect of protective coatings on the water absorption and mechanical properties of 3D printed PLA

Study on Geometry, Dimensional Accuracy and Structure of Parts Produced by Multi Jet Fusion

Novel Approach to Manufacture an AUV Propeller by Additive Manufacturing and Error Analysis

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