Hardness, friction and wear characteristics of 3D-printed PLA polymer

Sahar Zhiani Hervan, Atakan Altınkaynak, Zeynep Parlar*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

37 Citations (Scopus)

Abstract

The mechanical and tribological behaviors of the parts manufactured with 3D printing methods differ with variations in the manufacturing parameters. This paper aims to investigate the effect of the layer thickness and layer orientation parameters on the hardness, friction coefficient and wear properties of PLA samples printed by Fused Deposition Modelling (FDM) method. Samples were printed with three different layer thicknesses in two different build orientations. The hardness of the samples was tested by D-type shore hardness durometer and a pin-on-disc setup was used to measure the friction coefficient and wear rate of the samples. The analysis of the experimental results showed the distinctive effect of the layer orientation and layer thickness which further discussed in the paper.

Original languageEnglish
Pages (from-to)1590-1598
Number of pages9
JournalProceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology
Volume235
Issue number8
DOIs
Publication statusPublished - Aug 2021

Bibliographical note

Publisher Copyright:
© IMechE 2020.

Funding

The author(s) disclosed receipt of the following financial support for the research, authorship, and/or publication of this article:: The experimental setup used for the friction and wear tests was updated using the funds of Istanbul Technical University BAP Project No: 39027.

FundersFunder number
Istanbul Teknik Üniversitesi39027

    Keywords

    • friction coefficient
    • Fused deposition modelling
    • hardness
    • polylactic acid
    • wear

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