Surface plastic flow of three-dimensional printed polylactic acid in the tribological study of surface patterned polymer

Abstract

The potential of three-dimensional (3D) printing in polymer tribology is poorly explored. Material alignment and composition plays a vital role in altering the friction and wear characteristics of 3D printed materials. In the current study 3D patterns using fused deposition modeling are used to print advanced tribo-composites. Two different surface patterns (line and circular) are provided through 3D printing using white and silver Poly Lactic Acid (PLA). The deformation and the distribution of white and silver PLA over the samples surface are observed after the wear test. Results showed that the coefficient of friction is not being influenced by changing in the surface pattern. However, the wear rate increased for samples with line patterns on the contact surface, since the plastic flow was more significant in this case. Moreover, the filling factor exhibited an influence on increasing the plastic flow of the contact surface in case of the samples with line pattern.

Brazilian Tribology: origin, status quo and future perspectives

“…The tribological properties of polymer materials are also investigated at LATRIB [404,405]. Furthermore, the performance of polymers generated by 3D printing has also been evaluated [406]. A project on surface engineering is being developed in partnership with the University of Ghent, Belgium.…”

Determination of the Friction Coefficient Magnitude in the Case of Polymer Samples Manufactured by 3D Printing

“…The ORCID identification number(s) for the author(s) of this article can be found under https://doi.org/10.1002/masy.202300204 DOI: 10.1002/masy.202300204 the last decades have highlighted the creation of new materials and technologies for manufacturing parts. [1][2][3][4] In the last decades, a group of processes has appeared in which the generation of a body takes place through a successive deposition of layers of material until the completion of the part with the desired shape and dimensions. Within this group, depositing molten material from a fusible wire (fused filament fabrication [FFF]) is mainly used to obtain parts from polymeric materials.…”

Development, characterisation and properties of nanophases, nanofluids and nanomaterials

“…Sin embargo, una de las principales razones por las que se utilizan polímeros en aplicaciones tribológicas, es que estos presentan una alta capacidad para formar capas de transferencia, o lo que es lo mismo, tribocapas. Estas capas, originadas a partir de la superficie del polímero, presentan una mayor dureza que el material base, protegiendo la matriz y ayudando a estabilizar el coeficiente de fricción [274].…”