Abstract
There is a large number of materials that can be used for FDM additive manufacturing technology. These materials have different strength properties, they are designed for different purposes. They can be highly strong or flexible, abrasion-resistant, or designed for example for environments with higher thermal loads. However recently new innovative and progressive materials have come to the practice, which include nano-composite particles, bringing new added value. One such material is the Conductive PLA material, which is capable of conducting electric current. The aim of this article is to present the material properties of this material. The article describes the design of the experiment, the process of measuring the resistance of samples printed by FDM device, measuring the maximum tensile strength of samples. The article includes a statistical evaluation of the measured data, with the determination of the significance of individual factors of the experiment as well as the evaluation of the overall result of the experiments.
Highlights
Fused Deposition Modeling (FDM) technology is just one from many technologies which are covered with Additive Manufacturing (AM) process
The highest values of tensile strength belong to the experiments 5 and 7
From the previous experiments is known the strength of the classical PLA material at 90% filling of the internal volume of the sample is 48.63 MPa [40]
Summary
Fused Deposition Modeling (FDM) technology is just one from many technologies which are covered with Additive Manufacturing (AM) process. It is possible to produce components from metallic materials, from resins and from polymers [1–3]. Deposition Modeling is the most wide-spread technology. Is very simple and not so expensive as others. Using plastic wire as input material which is semi-melted and by nozzle is deposited layer by layer to the required shape, defined by 3D digital mode [4–6]. Very often are used materials as PLA (polylactic acid), ABS (Acrylonitrile butadiene styrene), PETG (Polyethylene terephthalate glycol), Nylon, PC (Polycarbonate) or many others [7–9]
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