The Effect of Multi-Extrusion Process of Polylactic Acid on Tensile Strength and Fracture Morphology of Filament Product

Syaifuddin, M.; Suryanto, Heru; Suprayitno, Suprayitno

doi:10.17977/um016v5i12021p062

Cited by 4 publications

(2 citation statements)

References 35 publications

(36 reference statements)

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“…The average tensile strength of nanographite-reinforced PLA filaments is 34.705 N/mm 2 . Nanographite-reinforced PLA filaments more strong than PLA filaments with 13.22 N/mm 2 [14].…”

Section: Analysis Of Tensile Strengthmentioning

confidence: 89%

Study on Effect of 3D Printing Parameters on Surface Roughness and Tensile Strength Using Analysis of Variance

Fadillah,

Suryanto,

Suprayitno

2023

JMEST

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Fused deposition modeling of 3D printing is the process of making workpieces or parts by adding filaments to each layer. Some indicators of a high-quality product of 3D printing are the precisions dimensions, the surface roughness, and tensile strength. This research aims to find the parameters most affecting surface roughness and tensile strength. The research design used an experimental method with input parameters: (1) print speed (15-35 mm/s), (2) print temperature (200-210°C), (3) layer height (0.1 – 0.3 mm), (4) infill line directions (0-90°), and dependent variables were surface roughness and tensile strength. The data distribution used the L9 orthogonal array, and the statistic analysis used ANOVA. Material uses nanographite-reinforced polylactic acid (PLA) filament. The results indicate that print parameters that significantly affect surface roughness are layer height and infill line directions. The best surface roughness on the layer height parameter is 0.1 mm, and the infill line directions parameter is 90°. Based on ANOVA analysis, print speed, print temperature, and layer height do not significantly affect tensile strength, but infill line directions significantly affect tensile strength. The best tensile strength on infill line directions is 90°. The best average tensile strength with nanographite-reinforced PLA filament is 38.56 N/mm2, with 35 m/s print speed, 205 °C print temperature, 0.1 mm layer height, and 90° infill line direction parameter. The best average surface roughness with nanographite-reinforced PLA filament is 0.66 µm, with 35 m/s print speed, 205 °C print temperature, 0.1 mm layer height, and 90° infill line direction parameter.

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“…The average tensile strength of nanographite-reinforced PLA filaments is 34.705 N/mm 2 . Nanographite-reinforced PLA filaments more strong than PLA filaments with 13.22 N/mm 2 [14].…”

Section: Analysis Of Tensile Strengthmentioning

confidence: 89%

Study on Effect of 3D Printing Parameters on Surface Roughness and Tensile Strength Using Analysis of Variance

Fadillah,

Suryanto,

Suprayitno

2023

JMEST

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“…XRD data processing using Origin software. Based on the data processing, the crystal structure of the control PLA showed an amorphous structure [29]. Figure 2 shows the appearance of crystals formed in the PLA-nanographite before the extruder at 16.7°, 19.1°, and 26.6°.…”

Section: A Structure Of Nanocomposite Filamentmentioning

confidence: 99%

Analysis of Structure and Functional Group of Filament Product-Based PLA/Nanographite Nanocomposite

Suryanto,

Aminnudin,

Bintara

et al. 2023

JMEST

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In many polymer compounds, Polylactic Acid (PLA) is a polyalcohol material that has the most potential material which is potent for biological degradation. They have been applied as filaments in additive manufacturing. The PLA properties can be modified by adding nanomaterials such as graphite nanoplatelets. This study aims to obtain the characteristics of PLA-based filament nanocomposite with nanographite reinforcement. Methods include exploration research to obtain nanocomposite filament with PLA and 1% of nanographite. The mixing process of nanographite in PLA solution with chloroform solvent and then the extrusion process of nanocomposite using a single extruder. The product comparison before and after the extrusion process was analyzed using X-ray diffraction and Fourier Transform infrared. Diffractogram results indicate that the original PLA structure is amorphous, and after mixing using nanographite, peaks of nanographite appeared clearly. After the extrusion process, some peaks at 16.7° and 19.1° disappeared, but only a peak 26.6° appeared in the diffractogram. Extrusion makes the structure change. Functional group analysis confirms that some reactions occurred so that many peaks were removed, and several new peaks were observed. It indicates that the extrusion process of PLA/nanographite results in different structures and functional groups that indicate a change in its properties.

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Towards optimization of polymer filament tensile test for material extrusion additive manufacturing process

Rodrigues

Miri

Cole

et al. 2023

Journal of Materials Research and Technology

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The Effect of Multi-Extrusion Process of Polylactic Acid on Tensile Strength and Fracture Morphology of Filament Product

Cited by 4 publications

References 35 publications

Study on Effect of 3D Printing Parameters on Surface Roughness and Tensile Strength Using Analysis of Variance

Study on Effect of 3D Printing Parameters on Surface Roughness and Tensile Strength Using Analysis of Variance

Analysis of Structure and Functional Group of Filament Product-Based PLA/Nanographite Nanocomposite

Towards optimization of polymer filament tensile test for material extrusion additive manufacturing process

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