THE INFLUENCE OF PROCESSING PARAMETERS ON THE MECHANICAL PROPERTIES OF PLA 3D PRINTED PARTS

被引：0
|
作者：
Axinte, M. [1 ]
Chicet, D.L. [1 ]
Chelariu, R. [1 ]
Comăneci, R.I. [1 ]
机构：
[1] Gheorghe Asachi Technical University of Iasi, Faculty of Materials Science and Engineering, BLVD. Mangeron, No. 41, Iasi,700050, Romania
来源：
Archives of Metallurgy and Materials | 2024年 / 69卷 / 04期
关键词：
In this paper; the effect of two process parameters on the mechanical properties of tensile specimens made by FDM was studied. A commercially available PLA filament (produced by Prusa) was used as raw material; from which several sets of specimens were produced; the varied parameters being the raster angle (RA) relative to the longitudinal axis of the specimen and the overflow (OF). Thus; three printing angles were chosen; 0°; 22.5°; and; 45°; each set of specimens being made with an OF of 95%; 100% and 105% respectively. The printed layer was chosen with a standard thickness of 0.2 mm. For the analysis of the mechanical properties; the specimen sets were subjected to tensile testing on an Instron 3382 machine and the results obtained were interpreted comparatively. Additionally; the fracture surfaces of the specimens were analysed by stereomicroscope. Two-way repeated measures ANOVA analysis of experimental data indicated that both parameters and their interaction significantly influence the specimen weight but; in the case of mechanical properties (modulus of elasticity; yield strength; tensile strength; yield elongation and tensile elongation) were insignificantly influenced by both process parameters. In this context regardless of raster angle; an overflow of 95% provides the same mechanical properties as an overflow of 105%; but at a minimum weight sample. © 2024. The Author(s);
D O I：
10.24425/amm.2024.151433
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摘要：
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页码：1621 / 1627
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