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Mechanical properties and tribological performance of polyoxymethylene/short cellulose fiber composites
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Machine Elements. aboratory for Tribology and Interface Nanotechnology, Faculty of Mechanical Engineering, University of Ljubljana, Bogišićeva 8, Ljubljana, 1000, Slovenia.ORCID iD: 0000-0001-8436-0908
Centre for Mechanical Technology and Automation, Department of Mechanical Engineering, University of Aveiro, Campus Universitário de Santiago, Aveiro, 3810-193, Portugal.ORCID iD: 0000-0002-2302-9661
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Material Science.ORCID iD: 0000-0002-5210-4341
Laboratory for Tribology and Interface Nanotechnology, Faculty of Mechanical Engineering, University of Ljubljana, Bogišićeva 8, Ljubljana, 1000, Slovenia.ORCID iD: 0000-0002-5938-1106
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2023 (English)In: Polymer testing, ISSN 0142-9418, E-ISSN 1873-2348, Vol. 128, article id 108234Article in journal (Refereed) Published
Abstract [en]

Natural fibers are promising bio-based materials to use as reinforcements in polymer composites as often more affordable and accessible alternatives to fossil-based fibers, especially because of their superior sustainability. Polyoxymethylene (POM) is a widely used engineering thermoplastic, which has a melting temperature suitable for processing with natural fibers. In this study, such composites consisting of POM and regenerated cellulose fibers have been developed and studied in terms of their mechanical, thermal, tribological and structural properties. Tensile and flexural moduli increased with incorporation of 30 wt% fibers up to 89% and 79% respectively, crystallinity increased as well by a maximum of approx. 11% at 30% fiber content. Furthermore, the specific wear rate was improved for the composite with 10 wt% fibers, showing a decrease of roughly 80%. This study investigates the processing parameters and tribo-mechanical performance of POM-based natural fiber composites as an important route towards future sustainable polymer composites in load bearing applications.

Place, publisher, year, edition, pages
Elsevier Ltd , 2023. Vol. 128, article id 108234
Keywords [en]
Cellulose fibers, Characterization, Polyoxymethylene, Processing, Tribology
National Category
Composite Science and Engineering
Research subject
Machine Elements; Polymeric Composite Materials
Identifiers
URN: urn:nbn:se:ltu:diva-101977DOI: 10.1016/j.polymertesting.2023.108234ISI: 001148148200001Scopus ID: 2-s2.0-85174143660OAI: oai:DiVA.org:ltu-101977DiVA, id: diva2:1808509
Funder
EU, Horizon 2020, 860246
Note

Validerad;2023;Nivå 2;2023-11-08 (marisr);

License fulltext: CC BY-NC-ND

Available from: 2023-10-31 Created: 2023-10-31 Last updated: 2024-03-07Bibliographically approved

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Kneissl, Lucas M.Joffe, RobertsKalin, MitjanEmami, Nazanin

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