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Friction and wear characteristics of polylactic acid (PLA) for 3D printing under reciprocating sliding condition

Peng Zhang (Nanjing Research Institute for Agricultural Mechanization Ministry of Agriculture, Nanjing, China)
Zhichao Hu (Nanjing Research Institute for Agricultural Mechanization Ministry of Agriculture, Nanjing, China)
Huanxiong Xie (Nanjing Research Institute for Agricultural Mechanization Ministry of Agriculture, Nanjing, China)
Gwang-Hee Lee (Department of Mechanical Engineering, Inha University, Incheon, Republic of Korea)
Chul-Hee Lee (Department of Mechanical Engineering, Inha University, Incheon, Republic of Korea)

Industrial Lubrication and Tribology

ISSN: 0036-8792

Article publication date: 16 August 2019

Issue publication date: 23 April 2020

Abstract

Purpose

This paper aims to study the different infill, printing direction against sliding direction and various load condition for the friction and wear characteristics of polylactic acid (PLA) under reciprocating sliding condition.

Design/methodology/approach

The tests were performed by applying the load of 1, 5, 15 and 10 N with sliding oscillation frequency of 10 Hz for the duration of 10 min at room temperature.

Findings

The results show that the friction and wear properties of PLA specimen change with a different infill density of printed parts. The oscillation frequency is 10 Hz and the infill density of plate is 50 per cent that shows the best friction and wear properties.

Originality/value

The potential of this research work is to investigate the tribological characteristics of three-dimensional printing parts with different infill percentage to provide a reference for any parts in contact with each other to improve friction and wear performance. There will be many opportunities exist for further research and the advancement of three-dimensional printing in the field of tribology.

Keywords

Acknowledgements

This work was supported by INHA UNIVERSITY Research Grant.

Citation

Zhang, P., Hu, Z., Xie, H., Lee, G.-H. and Lee, C.-H. (2020), "Friction and wear characteristics of polylactic acid (PLA) for 3D printing under reciprocating sliding condition", Industrial Lubrication and Tribology, Vol. 72 No. 4, pp. 533-539. https://doi.org/10.1108/ILT-11-2016-0280

Publisher

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Emerald Publishing Limited

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