Dielectric Material Selection Optimization Based on Relative Dielectric Constant Dependencies in Operating Environment

Nowadays, it is well known that on the ship, free space is at a premium. Unfortunately, every part on the ship has its duration before the failure, and the spare parts occupy the space. The broken part must be replaced when the failure occurs to maintain the ship’s operation. Developing 3D printer technology and particular material technology, it has become possible to print a spare part that can replace broken. However, due to hazardous environments (salt, humidity, vibrations, etc.), printed parts change their properties. Electrical capacity and further dielectric permittivity is a parameter or metric that has to be monitored since it directly influences the printed part material structure. Therefore, this paper aims to research the impact of relative dielectric constant in additive manufacturing on printed ship’s spare parts since infill patterns and density were changed due to a hazardous environment. The experiment, in which the three shaped material samples are created, consists of the following equipment, the Ultimaker S5 3D printer, Polylactic Acid (PLA) and Acrylonitrile–Butadiene–Styrene (ABS) materials, and LC HM 8018 m. Results show relative dielectric constant changes between 1.7778 and 2.8141 for PLA and between 2.1979 and 2.9989 for ABS, depending on infill density and pattern. ANOVA test for ABS is performed to investigate how the calculated dielectric constant relates to the infill density for various infill shapes. Scores are: F = 154.3773, F crit = 5.1432, and p = 6.9269·10 –6 . ANOVA test for PLA resulted in scores F = 18.911, F crit = 5.1432, and p = 0.0022.

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“…However, studies have shown that it depends on many factors, e.g. frequency, temperature, humidity [18,19], etc.…”

Section: Permittivity and Permittivity Measurementmentioning

confidence: 99%

Influence of 3D printing properties on relative dielectric constant in PLA and ABS materials

et al. 2023

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Dielectric Material Selection Optimization Based on Relative Dielectric Constant Dependencies in Operating Environment

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References 8 publications

Influence of 3D printing properties on relative dielectric constant in PLA and ABS materials

Influence of 3D printing properties on relative dielectric constant in PLA and ABS materials

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