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Incipient brown rot decay in modified wood: patterns of mass loss, structural integrity, moisture and acetyl content in high resolution
RISE - Research Institutes of Sweden (2017-2019), Built Environment, Building Technology.ORCID iD: 0000-0002-6208-8314
RISE - Research Institutes of Sweden (2017-2019), Built Environment, Building Technology. Technical University of Munich, Germany.ORCID iD: 0000-0003-2902-2257
University of Göttingen, Germany.
Technical University of Munich, Germany.
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2017 (English)In: International Wood Products Journal, ISSN 2042-6445, E-ISSN 2042-6453, Vol. 8, no 3, p. 172-182Article in journal (Refereed) Published
Abstract [en]

The study of degradation and growth patterns of fungi in modified wood may increase the understanding of their mode of action and may lead to more accurate service-life predictions. The aim of this paper was to study the degradation and growth patterns of brown rot fungi in modified wood and to measure moisture content (MC), structural integrity and the acetyl content by frequent monitoring over 300 days. Mass loss (ML) in the modified wood materials increased slowly up to 3% for 50–100 days after which it flattened out and remained constant during the remainder of the test. Structural integrity and acetyl content were maintained in the modified wood materials and MC was lower compared to untreated wood throughout the decay test. ML results of untreated wood indicate that fungi in solid wood go through distinct phases; the degradation patterns in the modified wood materials were more difficult to interpret.

Place, publisher, year, edition, pages
2017. Vol. 8, no 3, p. 172-182
Keywords [en]
Acetylated wood, basidiomycetes, furfurylated wood, growth phases, mode of action, Postia placenta, wood degradation, wood modification, Biodegradation, Fungi, Growth rate, Moisture, Structural integrity, Growth phasis, Postia placentas, Wood
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:ri:diva-30268DOI: 10.1080/20426445.2017.1344382Scopus ID: 2-s2.0-85022062402OAI: oai:DiVA.org:ri-30268DiVA, id: diva2:1130821
Funder
Swedish Research Council Formas, 2011-1481Available from: 2017-08-11 Created: 2017-08-11 Last updated: 2020-08-06Bibliographically approved

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Ringman, RebeckaPilgård, Annica

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