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    The effects of heat treatment on some technological properties in Uludag fir (Abies bornmuellerinana Mattf.) wood
    (Pergamon-Elsevier Science Ltd, 2008) Korkut, Suleyman
    Heat treatment is often applied to improve the dimensional stability of woods. In this study, the effect of heat treatment on some mechanical properties of Uludag fir wood (Abies bornmuellerinana Mattf,) having industrially high usage potential and large plantations in Turkey was evaluated. Samples collected from Bolu Forest Enterprises, Turkey were subjected to heat treatment for varying temperatures and durations. Then, the treated and control samples were tested for some mechanical properties; compression strength, bending strength, modulus of elasticity in bending, janka-hardness, impact bending strength and tension strength perpendicular to grain. The results indicated that treated samples had lower mechanical properties compared to the control samples. In addition, increase in temperature and durations decreased the mechanical properties. (c) 2007 Elsevier Ltd. All rights reserved.
  • Küçük Resim
    Öğe
    The haphazard wooden material converted to healthy MDF product
    (Asian Network for Scientific Information, 2007) Akgül, Mehmet; Üner, Birol; Korkut, Suleyman; Çamlibel, Osman
    During machining of wood and wood composites materials, fine particles and dusts are created. These minute wooden materials can easily be carried out to human lungs by air and can cause serious health problem. Even though this material is too fine and created in huge amount, it can be stored and used as raw material in wood composite industry. The addition of wood dust into MDF contents can improve the physical and mechanical properties of the products. Small particles can fill the spaces between fiber and act as matrix material to improve adhesion properties. However, the addition of dust into MDF receipt decreased bending strength, internal bond values and MOE. In contrast, these mechanical strengths meet the standard values and fulfill the requirements. © 2007 Asian Network for Scientific Information.