Influence of Densification on Mechanical Properties of Thermally Pretreated Spruce and Poplar Wood

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dc.contributor.authorPelit, Hüseyin
dc.contributor.authorYorulmaz, Ramazan
dc.date.accessioned2020-04-30T23:18:30Z
dc.date.available2020-04-30T23:18:30Z
dc.date.issued2019
dc.departmentDÜ, Teknoloji Fakültesi, Ağaç İşleri Endüstri Mühendisliği Bölümüen_US
dc.descriptionWOS: 000493997400153en_US
dc.description.abstractThe effects of mechanical densification on density, Brinell hardness, bending strength (MOR), modulus of elasticity (MOE), and compression strength (CS) of thermally pretreated spruce (Picea orientalis) and poplar (Populus nigra) wood samples were investigated. Thermal treatment was applied on the wood samples at four different temperatures (140 degrees C, 160 degrees C, 180 degrees C, and 200 degrees C) and two different durations (7 h and 9 h) under atmospheric pressure. Wood samples were then densified by compression at a temperature of 150 degrees C to two degrees (20% and 40%) of compression. The results indicated that the density, hardness, and MOR values of both compressed and non-compressed thermally pretreated spruce and poplar samples decreased with increasing treatment temperature and duration. At temperatures below 200 degrees C, the MOE was generally increased in thermally pretreated samples. However, the MOE was reduced in thermally pretreated samples at 200 degrees C compared to the untreated samples. Additionally, all thermal pretreatments increased CS values in compressed and non-compressed wood samples. The CS tended to decrease in thermally pretreated samples (especially 40% compressed) at 200 degrees C. After the densification, all of the strength properties tested in thermally pretreated samples increased significantly depending on the increase in compression ratio.en_US
dc.description.sponsorshipResearch Fund of Duzce UniversityDuzce University [BAP-2018.07.01.673]en_US
dc.description.sponsorshipThe authors are grateful for the support of the Research Fund of Duzce University, Grant No. BAP-2018.07.01.673.en_US
dc.identifier.doi10.15376/biores.14.4.9739-9754en_US
dc.identifier.endpage9754en_US
dc.identifier.issn1930-2126
dc.identifier.issue4en_US
dc.identifier.scopusqualityQ3en_US
dc.identifier.startpage9739en_US
dc.identifier.urihttps://doi.org/10.15376/biores.14.4.9739-9754
dc.identifier.urihttps://hdl.handle.net/20.500.12684/3362
dc.identifier.volume14en_US
dc.identifier.wosWOS:000493997400153en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherNorth Carolina State Univ Dept Wood & Paper Scien_US
dc.relation.ispartofBioresourcesen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectDensificationen_US
dc.subjectHardnessen_US
dc.subjectMechanical strengthen_US
dc.subjectThermal treatmenten_US
dc.subjectWood materialen_US
dc.titleInfluence of Densification on Mechanical Properties of Thermally Pretreated Spruce and Poplar Wooden_US
dc.typeArticleen_US

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