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This article belongs to Vol. 1 No. 2, 2025
I. Krešić, “Influence of Post-Processing on the Tensile Mechanical Properties of FDM Printed ASA Test Specimens Melted in a Liquid Bath,” International Journal of Innovative Solutions in Engineering, vol. 1, no. 2, pp. 30–36, Jul. 2025, doi: 10.47960/3029-3200.2025.1.2.30.
pages 30-36
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Abstract
The development of additive manufacturing techniques using a wide range of thermoplastic materials enables the investigation of material mechanical properties as a function of 3D printing process parameters. Printed models with complex geometries require the use of support material, followed by post-processing. Therefore, this paper examines the impact of primary post-processing on the mechanical properties of ASA type 1A test specimens, specifically the removed support material. Two batches of specimens were printed using FDM deposition technology, having been prepared for 3D printing by determining the layer thickness and the infill pattern. One batch was left at room temperature, while the other batch was melted in a liquid bath. After printing, the specimens were tested for tensile strength under ISO 527-2. The results showed an imperceptible difference between the two batches with the same ultimate tensile stress values. It can be concluded that the mechanical properties of ASA specimens remain unchanged when dissolved in a liquid bath composed of sodium hydroxide and eco-friendly tablets in 40 liters of water intended for dissolving the support material.
Keywords
ASA Specimens, FDM, Tensile Testing, Liquid Bath
ijise ID
8
Publication Date
Jul. 17, 2025
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