Performance of three thermally treated tropical wood species commonly used in Turkey

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dc.contributor.authorKorkut, Süleyman
dc.date.accessioned2020-04-30T23:20:48Z
dc.date.available2020-04-30T23:20:48Z
dc.date.issued2012
dc.departmentDÜ, Orman Fakültesi, Orman Endüstrisi Mühendisliği Bölümüen_US
dc.descriptionKorkut, Suleyman/0000-0002-4871-354Xen_US
dc.descriptionWOS: 000300921100052en_US
dc.description.abstractThermally modified wood is being increasingly offered in Europe as an alternative to preservative-treated timber. The aim of this study is to determine the change of various physical properties (oven-dry density, air-dry density, weight loss, swelling and anti-swelling efficiency (ASE)), compression strength parallel to grain, colour difference (Delta E), glossiness and surface roughness of sapele (Entandrophragma cylindricum), limba (Terminalia superba) and iroko (Chlorophora excelsa) woods after heat treatment under different temperatures and durations. For this study wood specimens were subjected to heat treatment under atmospheric pressure and air at two different temperatures (160 degrees C and 180 degrees C) and two different times (2 h and 4 h). Multiple physical properties (oven-dry density, air-dry density, and swelling), compression strength parallel to the grain and surface roughness of the heat-treated wood and control samples were tested. A stylus method was employed to evaluate the surface characteristics of the samples. Roughness measurements using the stylus method were made in the direction perpendicular to the fiber. Four main roughness parameters which are mean arithmetic deviation of profile (Ra), mean peak-tovalley height (Rz), root mean square roughness (Rq), and maximum roughness (Ry) obtained from the surface of wood were used to evaluate the effect of heat treatment on the surface characteristics of the specimens. Significant difference was found (P=0.05) between physical and technological properties, and surface roughness parameters (Ra, Rz, Ry, Rq) at two temperatures and two durations of heat treatment. Based on the findings of this study, the results showed that oven-dry density, air-dry density, swelling, compression strength parallel to grain and surface roughness values decreased with increasing treatment temperature and treatment time. Thus, sapele, iroko, and limba wood can be utilized with proper heat treatment techniques for outdoor and indoor applications. (C) 2011 Elsevier B.V. All rights reserved.en_US
dc.identifier.doi10.1016/j.indcrop.2011.10.004en_US
dc.identifier.endpage362en_US
dc.identifier.issn0926-6690
dc.identifier.issue1en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage355en_US
dc.identifier.urihttps://doi.org/10.1016/j.indcrop.2011.10.004
dc.identifier.urihttps://hdl.handle.net/20.500.12684/4081
dc.identifier.volume36en_US
dc.identifier.wosWOS:000300921100052en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherElsevier Science Bven_US
dc.relation.ispartofIndustrial Crops And Productsen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectPhysical propertiesen_US
dc.subjectCompression strengthen_US
dc.subjectSurface roughnessen_US
dc.subjectThermally modified wooden_US
dc.titlePerformance of three thermally treated tropical wood species commonly used in Turkeyen_US
dc.typeArticleen_US

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