What is it about?

3D printing of Acrylonitrile Butadiene Styrene (ABS) and Poly Lactic Acid (PLA) were used to prepare specimens utilising fused deposition modelling (FDM) technology. Two colours of PLA filament were printed; white and grey, whereas ABS only in white colour. Determining the tribological properties of 3D printed samples have been carried out, through obtaining the frictional features of different 3D printable filaments. Alternating-motion system employed for measuring the tribological factors. Studying the difference between static and dynamic friction factors and the examination of wear values were included. A comparison among the tribological behaviour of the 3D printed polymers has been investigated. The printed white ABS and PLA specimens show insignificant differences in the results tendency. On the contrary, the grey PLA exhibits a considerable variation due to the incredible growth in the coefficient of friction and wear average as well.

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Why is it important?

Extensive studies over many years have developed in the field of modern engineering in which the plastics can be applied as tribological materials. However, it is apparent to recognise from the literature that there is a lack of research that deals with the tribological characteristics of the 3D printed structure. Therefore, it appears essential to study the tribology of 3D printed polymers in order to grasp the influence of 3D printed structures and surfaces on the tribology behaviours of polymers.

Perspectives

Writing this research might be very helpful for those who work on the tribological properties of different 3D printable filaments. The alternating-motion system used through the research allows to measure the difference between static and dynamic friction coefficient and wear curves, so it is suitable for comparative tests of this type. This article also leads to a better understanding of the effect of the 3D printing parameters on the tribological properties.

Muammel Hanon

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This page is a summary of: Tribology behaviour investigation of 3D printed polymers, International Review of Applied Sciences and Engineering, August 2019, Akademiai Kiado,
DOI: 10.1556/1848.2019.0021.
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