The effects of heat treatment on physical and technological properties and surface roughness of European Hophornbeam (Ostrya carpinifolia Scop.) wood

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dc.contributor.authorKorkut, Süleyman
dc.contributor.authorAlma, Mehmet Hakkı
dc.contributor.authorElyıldırım, Y. Kenan
dc.date.accessioned2020-04-30T23:33:23Z
dc.date.available2020-04-30T23:33:23Z
dc.date.issued2009
dc.departmentDÜ, Orman Fakültesi, Orman Endüstrisi Mühendisliği Bölümüen_US
dc.descriptionKorkut, Suleyman/0000-0002-4871-354Xen_US
dc.descriptionWOS: 000273276200026en_US
dc.description.abstractHeat treatment of wood is an effective method to improve the dimensional stability and durability against biodegradation. In this study, the effects of heat treatment on physical properties and surface roughness of European Hophornbeam (Ostrya carpinifolia Scop.) wood were examined. Samples obtained from Alapli-Zonguldak Forest Enterprises, Turkey, were subjected to heat treatment at varying temperatures and for varying durations. The physical properties of heat-treated and control samples were tested, and oven-dry density, air-dry density, and swelling properties were determined. The mechanical properties of heat-treated and control samples were tested, and compression strength parallel to grain, bending strength, modulus of elasticity in bending, Janka-hardness (cross-section, parallel and perpendicular to grain), impact bending strength, and tensile strength perpendicular to grain were determined. A stylus method was employed to evaluate the surface characteristics of the samples. Roughness measurements by the stylus method were made in the direction perpendicular to the fiber. Four main roughness parameters, mean arithmetic deviation of profile (Ra), mean peak-to-valley 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 determined (p = 0.05) between physical and technological properties, and surface roughness parameters (Ra, Rz, Ry, Rq) for three temperatures and three durations of heat treatment. Based on the findings in this study, the results showed that oven-dry density, air-dry density, swelling, compression strength parallel to grain, bending strength, modulus of elasticity in bending, Janka-hardness (cross-section, parallel and perpendicular to grain), impact bending strength, tensile strength perpendicular to grain and surface roughness values decreased with increasing treatment temperature and treatment times. Increase in temperature and duration further diminished technological strength values of the wood specimens. European Hophornbeam wood could be utilized by using proper heat treatment techniques without any losses in strength values in areas where working, stability, and surface smoothness, such as in window frames, are important factors.en_US
dc.identifier.endpage5327en_US
dc.identifier.issn1684-5315
dc.identifier.issue20en_US
dc.identifier.scopusqualityN/Aen_US
dc.identifier.startpage5316en_US
dc.identifier.urihttps://hdl.handle.net/20.500.12684/4958
dc.identifier.volume8en_US
dc.identifier.wosWOS:000273276200026en_US
dc.identifier.wosqualityQ4en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherAcademic Journalsen_US
dc.relation.ispartofAfrican Journal Of Biotechnologyen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectHeat treatmenten_US
dc.subjectmechanical propertiesen_US
dc.subjectsurface roughnessen_US
dc.subjectEuropean Hophornbeamen_US
dc.titleThe effects of heat treatment on physical and technological properties and surface roughness of European Hophornbeam (Ostrya carpinifolia Scop.) wooden_US
dc.typeArticleen_US

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