Comparative analysis of acrylonitrile butadiene styrene and polylactic acid samples’ mechanical properties printed in vacuum

Maidin, Shajahan; Hayati, Norilani Md Nor; Rajendran, Thavinnesh Kumar; Muhammad, Ahmad Hilmi

doi:10.1016/j.addma.2023.103485

Cited by 5 publications

(6 citation statements)

References 49 publications

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“…Although the AM technique exhibits proficiency in fabricating components with sophisticated geometrical configurations, it has challenges. One such limitation arises from the occurrence of a phenomenon known as the 'staircase effect' during the printing process [11,12]. This effect manifests as visible seam lines between successive layers, forming a rough surface on the printed object.…”

Section: Introductionmentioning

confidence: 99%

Investigation on surface roughness of ultrasonic assisted vapour smoothing of acrylonitrile butadiene styrene printed sample

Maidin,

Rajendran,

Shahrum

et al. 2024

Eng. Res. Express

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Additive manufacturing offers many benefits, yet it is confronted with the challenge of rough surfaces resulting from the appearance of seam lines on the printed parts due to the layer-by-layer printing process. This study investigates the effect of ultrasonic-assisted vapor smoothing on the surface roughness of 3D-printed ABS samples. The ABS samples were printed with an open-source FDM printer. The vapour smoothing process was conducted by applying acetone and altering the ultrasonic frequencies and times to 0 kHz, 10 kHz, and 20 kHz for the frequencies and 10 minutes, 20 minutes, and 30 minutes for the times. The surface roughness measurements were performed using a Mitutoyo SJ-301 surface roughness tester. The findings demonstrated enhancements in the quality of the surface, reduction in the visibility of layer lines, and improved surface smoothness for all the samples. From the ANOVA analysis, the average value of Ra for 30 kHz frequency is 2.57μm, which is better than 3.19μm for 10 kHz frequency. The manipulation of ultrasonic frequencies and exposure durations decreased surface roughness parameters, suggesting enhancement of the time to attain smoother surfaces. This work demonstrates the effectiveness of ultrasonic-assisted vapour smoothing as a feasible post-processing technique for enhancing surface quality in 3D-printed ABS-printed parts.

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Section: Introductionmentioning

confidence: 99%

Investigation on surface roughness of ultrasonic assisted vapour smoothing of acrylonitrile butadiene styrene printed sample

Maidin,

Rajendran,

Shahrum

et al. 2024

Eng. Res. Express

Self Cite

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“…In addition, low values for layer thickness, number of shells, and extrusion temperature allow the production of components with excellent dimensional accuracy [19]. More studies were required to determine the effect of several process parameters on dimensional accuracy, including infill pattern and raster width, on dimensional accuracy [20][21][22].…”

Section: Introductionmentioning

confidence: 99%

Dimensional accuracy of acrylonitrile butadiene styrene and polylactic acid samples printed in vacuum-assisted material extrusion system

Shahrum,

Rajendran,

Maidin

et al. 2024

Eng. Res. Express

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This paper discusses the impact of integrating a vacuum system into a material extrusion 3D printing process for acrylonitrile butadiene styrene (ABS) and polylactic acid (PLA) materials. The study aimed to investigate the effect of a vacuum system on the dimensional accuracy of the printed samples. The vacuum system improved material flow and reduced dimensional deviations by reducing air molecules and minimizing convection. The results indicated a significant enhancement in dimensional accuracy for both ABS and PLA samples when using the vacuum system. ABS samples showed a 4% increase in accuracy, while PLA samples exhibited a 2% improvement compared to samples printed without vacuum assistance. These improvements were achieved by optimizing process parameters such as layer height (0.15 mm), infill percentage (10%), printing speed (45 mm/s), and bed temperature (60°C). These parameters were selected to ensure finer details, improved precision, structural support, stability, better adhesion, and reduced warping.

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“…Since the emergence of AM as a manufacturing technique in different industrial fields like medical (Savsani et al, 2023;Shakibania et al, 2022;Tiwary et al, 2019), manufacturing tools (Equbal et al, 2022;Lalegani Dezaki et al, 2021; and constructions (Ali et al, 2022;Pajonk et al, 2022), various types of AM processes are evolved to prepare appropriate physical and mechanical characteristics of the manufactured objects. Considering the definite advantages of each strategy, the merits of material extrusion-based (MEX) technique over competing technologies, including low inventory requirements, lowtemperature process and wide spectrum of print materials, confirm the capability of the MEX technique to play an inevitable role in the future of AM technologies (Maidin et al, 2023;Sun et al, 2023;Tiwary and Malik, 2021). Despite the distinct and valuable advantages of the MEX technique, the inadequate surface roughness and low dimensional accuracy originating from the error of computer-aided design file into stereolithography conversion, stair-stepping effect and printing machine errors are the main drawbacks for further flourishment of the MEX technique.…”

Section: Introductionmentioning

confidence: 99%

“…, 2022), various types of AM processes are evolved to prepare appropriate physical and mechanical characteristics of the manufactured objects. Considering the definite advantages of each strategy, the merits of material extrusion-based (MEX) technique over competing technologies, including low inventory requirements, low-temperature process and wide spectrum of print materials, confirm the capability of the MEX technique to play an inevitable role in the future of AM technologies (Maidin et al. , 2023; Sun et al.…”

Section: Introductionmentioning

confidence: 99%

Additive manufactured parts surface treatment through impinged hot air jet technique the theoretical and experimental evaluation

Barzegar,

Farahani,

Gomroki

2024

RPJ

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Purpose Material extrusion-based additive manufacturing is a prominent manufacturing technique to fabricate complex geometrical three-dimensional (3D) parts. Despite the indisputable advantages of material extrusion-based technique, the poor surface and subsurface integrity hinder the industrial application of this technology. The purpose of this study is introducing the hot air jet treatment (HAJ) technique for surface treatment of additive manufactured parts. Design/methodology/approach In the presented research, novel theoretical formulation and finite element models are developed to study and model the polishing mechanism of printed parts surface through the HAJ technique. The model correlates reflow material volume, layer width and layer height. The reflow material volume is a function of treatment temperature, treatment velocity and HAJ velocity. The values of reflow material volume are obtained through the finite element modeling model due to the complexity of the interactions between thermal and mechanical phenomena. The theoretical model presumptions are validated through experiments, and the results show that the treatment parameters have a significant impact on the surface characteristics, hardness and dimensional variations of the treated surface. Findings The results demonstrate that the average value of error between the calculated theoretical results and experimental results is 14.3%. Meanwhile, the 3D plots of Ra and Rq revealed that the maximum values of Ra and Rq reduction percentages at 255°C, 270°C, 285°C and 300°C treatment temperatures are (35.9%, 33.9%), (77.6%,76.4%), (94%, 93.8%) and (85.1%, 84%), respectively. The scanning electron microscope results illustrate three different treatment zones and the treatment-induced and manufacturing-induced entrapped air relief phenomenon. The measured results of hardness variation percentages and dimensional deviation percentages at different regimes are (8.33%, 0.19%), (10.55%, 0.31%) and (−0.27%, 0.34%), respectively. Originality/value While some studies have investigated the effect of the HAJ process on the structural integrity of manufactured items, there is a dearth of research on the underlying treatment mechanism, the integrity of the treated surface and the subsurface characteristics of the treated surface.

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Comparative analysis of acrylonitrile butadiene styrene and polylactic acid samples’ mechanical properties printed in vacuum

Cited by 5 publications

References 49 publications

Investigation on surface roughness of ultrasonic assisted vapour smoothing of acrylonitrile butadiene styrene printed sample

Investigation on surface roughness of ultrasonic assisted vapour smoothing of acrylonitrile butadiene styrene printed sample

Dimensional accuracy of acrylonitrile butadiene styrene and polylactic acid samples printed in vacuum-assisted material extrusion system

Additive manufactured parts surface treatment through impinged hot air jet technique the theoretical and experimental evaluation

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