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CT scanning of capillary phenomena in bio-based materials
Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, Träteknik.ORCID-id: 0000-0001-7270-1920
Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, Träteknik.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 tekniska universitet, Institutionen för teknikvetenskap och matematik, Träteknik.ORCID-id: 0000-0001-8404-7356
Vise andre og tillknytning
2017 (engelsk)Inngår i: Pro Ligno, ISSN 1841-4737, E-ISSN 2069-7430, Vol. 13, nr 4, s. 181-187Artikkel i tidsskrift (Fagfellevurdert) 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.

sted, utgiver, år, opplag, sider
Romania: Pro Ligno Foundation , 2017. Vol. 13, nr 4, s. 181-187
HSV kategori
Forskningsprogram
Träteknik
Identifikatorer
URN: urn:nbn:se:ltu:diva-67257OAI: oai:DiVA.org:ltu-67257DiVA, id: diva2:1173592
Konferanse
The 11th International Conference - Wood Science and Engineering in the Third Millennium, ICWSE 2017, Transilvania University, Brasov, Romania, 2-4 November, 2017
Merknad

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

Tilgjengelig fra: 2018-01-12 Laget: 2018-01-12 Sist oppdatert: 2018-01-23bibliografisk kontrollert

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fulltext(281 kB)53 nedlastinger
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Couceiro, JoséSehlstedt-Persson, MargotHansson, LarsHagman, OlleSandberg, Dick
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