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CT scanning of capillary phenomena in bio-based materials
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Wood Science and Engineering.ORCID iD: 0000-0001-7270-1920
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Wood Science and Engineering.ORCID iD: 0000-0002-3544-8716
Norwegian University of Science and Technology (NTNU), Department of ICT and Natural Sciences, Norway.ORCID iD: 0000-0002-5869-2236
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Wood Science and Engineering.ORCID iD: 0000-0001-8404-7356
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2017 (English)In: Pro Ligno, ISSN 1841-4737, E-ISSN 2069-7430, Vol. 13, no 4, p. 181-187Article in journal (Refereed) Published
Abstract [en]

X-ray computed tomography (CT) is a powerful tool for the non-destructive study of dynamic moisture processes in wood and other bio-based materials. In the CT facilities at Luleå University of Technology, it is possible to study wood-moisture relations such as water absorption, drying and related material deformation under a temperature- and humidity-controlled environment.An increase in the use of bio-based materials in building construction has led to an increased interest in capillary phenomena in these materials, because of an increasing number of moisture-related damage in timber and hybrid-timber buildings. This article shows some examples of how different bio-materials used in construction interact with liquid water over time. The overall purpose has been to develop the CT technique as a powerful tool for the determination and visualization of capillary flow that can be a base for modelling and an increased understanding of moisture flow in new bio-based building materials.Early-stage observation of the behaviour of different traditional and new bio-based building materials shows that CT scanning, combined with image processing, has a high potential to be used in performing non-destructive and non-contact tests that can help to increase the knowledge of water-material interactions and develop building materials with an optimized performance.

Place, publisher, year, edition, pages
Romania: Pro Ligno Foundation , 2017. Vol. 13, no 4, p. 181-187
National Category
Wood Science Other Mechanical Engineering
Research subject
Wood Science and Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-67257OAI: oai:DiVA.org:ltu-67257DiVA, id: diva2:1173592
Conference
The 11th International Conference - Wood Science and Engineering in the Third Millennium, ICWSE 2017, Transilvania University, Brasov, Romania, 2-4 November, 2017
Note

2018-01-23 (rokbeg);Konferensartikel i tidskrift

Available from: 2018-01-12 Created: 2018-01-12 Last updated: 2018-01-23Bibliographically approved

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fulltext(281 kB)13 downloads
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Couceiro, JoséSehlstedt-Persson, MargotHansson, LarsHagman, OlleSandberg, Dick
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CiteExportLink to record
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