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Moisture content profiles and uptake kinetics in wood cladding materials evaluated by a portable nuclear magnetic resonance spectrometer
KTH, School of Chemical Science and Engineering (CHE), Chemistry, Physical Chemistry. KTH, School of Chemical Science and Engineering (CHE), Centres, Industrial NMR Centre.ORCID iD: 0000-0002-6524-1441
KTH, School of Chemical Science and Engineering (CHE), Chemistry, Physical Chemistry. KTH, School of Chemical Science and Engineering (CHE), Centres, Industrial NMR Centre.ORCID iD: 0000-0002-0231-3970
Linnæus University, School of Engineering.
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering, Building Technology.
2011 (English)In: Wood Material Science & Engineering, ISSN 1748-0272, E-ISSN 1748-0280, Vol. 6, no 3, 119-127 p.Article in journal (Refereed) Published
Abstract [en]

This study evaluated the capability of nuclear magnetic resonance (NMR) technology based on small portable magnets for in situ studies of the local moisture content in wood. Low-field and low-resolution [1H]NMR with a unilateral permanent magnet was used to monitor and map the moisture content of wood cladding materials of various types in a spatially resolved manner. The results show that portable NMR equipment based on small open-access permanent magnets can be successfully used for non-invasive monitoring of the moisture content in various extended wood specimens. The moisture content was measured with a depth resolution of 0.2 mm and a maximum penetration depth of 3 mm. This makes the technique suitable for in situ local moisture content measurements beneath a coating layer in the cladding, for example, and it is also possible to relate the moisture level to specific properties of the wood material.

Place, publisher, year, edition, pages
Taylor & Francis, 2011. Vol. 6, no 3, 119-127 p.
Keyword [en]
Durability, fac¸ades, MRI, nuclear magnetic resonance, portable permanent magnet, sidings
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:kth:diva-60736DOI: 10.1080/17480272.2010.543288Scopus ID: 2-s2.0-80052209347OAI: oai:DiVA.org:kth-60736DiVA: diva2:477835
Note
QC 20120125Available from: 2012-01-13 Created: 2012-01-13 Last updated: 2017-12-08Bibliographically approved

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Dvinskikh, SergeyFuró, István

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