The Effects of Densification and Heat Post-Treatment on Hardness and Morphological Properties of Wood Materials

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dc.contributor.authorBudakçı, Mehmet
dc.contributor.authorPelit, Hüseyin
dc.contributor.authorSönmez, Abdullah
dc.contributor.authorKorkmaz, Mustafa
dc.date.accessioned2020-04-30T23:33:20Z
dc.date.available2020-04-30T23:33:20Z
dc.date.issued2016
dc.departmentDÜ, Teknoloji Fakültesi, Ağaç İşleri Endüstri Mühendisliği Bölümüen_US
dc.descriptionKorkmaz, Mustafa/0000-0001-5595-2154en_US
dc.descriptionWOS: 000384922400166en_US
dc.description.abstractThis study investigated the effects of densification and heat post-treatment on the Janka hardness and microscopic structure of relatively low-density Uludag fir, linden, and black poplar woods. Wood samples were densified with compression ratios of 25% and 50% at 100 degrees C and 140 degrees C, respectively. Heat post-treatment was then applied to the samples at 185 degrees C and 212 degrees C for 2 h. The hardness in the radial and tangential directions was determined, and morphological changes in the cell structures were analyzed using scanning electron microscopy (SEM). The hardness values in the radial and tangential directions of the densified samples increased depending on the compression rate and treatment temperature. The hardness values in both directions were higher in the 50% compressed samples. For samples compressed at 140 degrees C, the hardness values were higher in the tangential direction, whereas the samples compressed at 100 degrees C were higher in the radial direction. After the heat post-treatment process, the hardness values of all samples decreased. As the treatment temperature increased, more adverse effects on the hardness was noted. According to the SEM analyses, the densification and heat post-treatment deteriorated the cell structure of the samples. The more cell deformation was observed in the samples densified at 100 degrees C with compression ratio 50% and high heat post-treatment temperature.en_US
dc.description.sponsorshipResearch Fund of Duzce UniversityDuzce University [BAP-2013.07.01.174]en_US
dc.description.sponsorshipThe authors are grateful for the support of the Research Fund of Duzce University, Grant. No. BAP-2013.07.01.174.en_US
dc.identifier.doi10.15376/biores.11.3.7822-7838en_US
dc.identifier.endpage7838en_US
dc.identifier.issn1930-2126
dc.identifier.issue3en_US
dc.identifier.scopusqualityQ3en_US
dc.identifier.startpage7822en_US
dc.identifier.urihttps://doi.org/10.15376/biores.11.3.7822-7838
dc.identifier.urihttps://hdl.handle.net/20.500.12684/4948
dc.identifier.volume11en_US
dc.identifier.wosWOS:000384922400166en_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.subjectHeat post-treatmenten_US
dc.subjectWooden_US
dc.subjectHardnessen_US
dc.subjectMorphological propertiesen_US
dc.titleThe Effects of Densification and Heat Post-Treatment on Hardness and Morphological Properties of Wood Materialsen_US
dc.typeArticleen_US

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