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Service life assessment and moisture influence on bio-based composites
Swerea SICOMP AB, Box 271, 941 26, Piteå.
Swerea SICOMP AB, Box 271, 941 26, Piteå.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Material Science.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Material Science.ORCID iD: 0000-0002-5210-4341
2014 (English)In: Journal of Materials Science, ISSN 0022-2461, E-ISSN 1573-4803, Vol. 49, no 15, p. 5265-5270Article in journal (Refereed) Published
Abstract [en]

A race towards a more sustainable society is going on worldwide and decreasing dependence on fossil resources in energy and transport sectors is main goals. One path to decreased oil usage is development of lightweight materials from renewable resources like bio-based composites. However these new bio-based materials have not only to compete in mechanical performance, they also have to restrain environmental loads like moisture and temperature over time. In this study two bio-based composites have been compared to an oil-based composite in terms of long-term properties and water absorption behaviour. The long-term behaviour is determined by dynamic mechanical thermal analysis, DMTA, and time temperature superposition, TTSP. The water uptake is determined by submersion of specimens into water and tracking their weight change over time. The moisture influence is characterised in form of water uptake and change in the master curves created by TTSP procedure. The results show that there is a significant difference in long-term performance between the bio-based and oil-based composites. It is realized that the bio-based composites can be a good alternative for some applications especially when taking their eco-friendly nature into account.

Place, publisher, year, edition, pages
2014. Vol. 49, no 15, p. 5265-5270
Keyword [en]
Bio-based composites, Service life assessment, Time temperature superposition, Moisture absorption, Moisture induced ageing, Materials science - Other material science
Keyword [sv]
Teknisk materialvetenskap - Övrig teknisk materialvetenskap
National Category
Composite Science and Engineering
Research subject
Polymeric Composite Materials
Identifiers
URN: urn:nbn:se:ltu:diva-6381DOI: 10.1007/s10853-014-8211-6Local ID: 49c8c2d8-8dd5-4f92-9f8a-4ed57dc274c6OAI: oai:DiVA.org:ltu-6381DiVA: diva2:979258
Note
Validerad; 2014; 20140227 (joffe)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-01-16Bibliographically approved

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CiteExportLink to record
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