Change search
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf
Impact of processing defects on microstructure, surface quality, and tribological performance in 3D printed polymers
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Machine Elements. Institute of Functional Surfaces, School of Mechanical Engineering, University of Leeds, LS2 9JT, Leeds, United Kingdom.ORCID iD: 0000-0002-9346-7229
State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, CAS, Lanzhou, 730000, China.ORCID iD: 0000-0003-4210-840X
Institute of Functional Surfaces, School of Mechanical Engineering, University of Leeds, LS2 9JT, Leeds, United Kingdom.ORCID iD: 0000-0001-7139-3807
Institute of Functional Surfaces, School of Mechanical Engineering, University of Leeds, LS2 9JT, Leeds, United Kingdom.ORCID iD: 0000-0001-8868-2664
Show others and affiliations
2023 (English)In: Journal of Materials Research and Technology, ISSN 2238-7854, Vol. 23, p. 1252-1272Article in journal (Refereed) Published
Abstract [en]

Additive manufacturing (AM), also known as three-dimensional (3D) printing, of polymer-based materials is growing as a time-efficient, economical, and environmentally sustainable technique for prototype development in load-bearing applications. This work investigates the defects arising from the processing in material extrusion-based AM of polymers and their impact on the part performance. The influence of raster angle orientation and printing speed on tribological characteristics, microstructure, and surface finish of acrylonitrile butadiene styrene (ABS) fabricated in a heated build chamber was studied. Comprehensive analysis with fractography and tomography revealed the formation, distribution, and locations of internal voids, while surface defects were studied with the topography analysis of as-printed surfaces. Surface roughness and tribological results show that printing speed can be optimally increased with a minimal impact on interlayer bonding and part performance. Increased printing speed allowed up to 58% effective reduction in printing time obtaining comparable mechanical properties at varying process parameters. 3D printed ABS exhibited dry sliding friction coefficients in the range of 0.18–0.23, whilst the maximum specific wear rate was 6.2 × 10−5 mm3/Nm. Higher surface roughness and increased printing speed exhibited delayed running-in during dry sliding, while insignificant influence was observed for steady-state friction and wear behaviors. The findings indicate that improved surface finish and reduced internal defects can be achieved with a controlled build environment allowing for higher printing speed. The observations in this study are evidence that 3D printing can be adapted for the sustainable manufacturing of polymeric components for tribological applications.

Place, publisher, year, edition, pages
Elsevier, 2023. Vol. 23, p. 1252-1272
Keywords [en]
3D printing, Tribology, Friction, Polymers, Porosity, Surface roughness
National Category
Manufacturing, Surface and Joining Technology Tribology (Interacting Surfaces including Friction, Lubrication and Wear)
Research subject
Machine Elements
Identifiers
URN: urn:nbn:se:ltu:diva-95552DOI: 10.1016/j.jmrt.2023.01.086ISI: 000964378800001Scopus ID: 2-s2.0-85149695807OAI: oai:DiVA.org:ltu-95552DiVA, id: diva2:1735231
Funder
EU, Horizon 2020, 860246
Note

Validerad;2023;Nivå 2;2023-03-21 (joosat);

Licens fulltext: CC BY License

Available from: 2023-02-08 Created: 2023-02-08 Last updated: 2024-03-07Bibliographically approved

Open Access in DiVA

fulltext(10899 kB)336 downloads
File information
File name FULLTEXT01.pdfFile size 10899 kBChecksum SHA-512
2c794b68732fe96b6b7973e4b1b1a29db8d02a062cafe0a2bb42a6c363baf9048e7e44698501f84c61c407fd615887fab581bc0638b060434a70a695c4a13129
Type fulltextMimetype application/pdf

Other links

Publisher's full textScopus

Authority records

Dhakal, NayanEmami, Nazanin

Search in DiVA

By author/editor
Dhakal, NayanWang, XiaolongEspejo, CayetanoMorina, ArdianEmami, Nazanin
By organisation
Machine Elements
Manufacturing, Surface and Joining TechnologyTribology (Interacting Surfaces including Friction, Lubrication and Wear)

Search outside of DiVA

GoogleGoogle Scholar
Total: 337 downloads
The number of downloads is the sum of all downloads of full texts. It may include eg previous versions that are now no longer available

doi
urn-nbn

Altmetric score

doi
urn-nbn
Total: 215 hits
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf